Physics Help and Math Help - Physics Forums > Astronomy & Cosmology > General Astronomy

1. Earth may get hit tommorow
2. Why is the density of Mercury 40% larger than the density of Mars?
3. figuring out mass of a star based on diameter
4. Spider free mount for secondary mirror
5. The Moon moves away from the earth - Is the theory correct ?
6. Seeing the same stars all year
7. astronomy
8. Apparent Magnitude Problem
9. Hubble down, Repair mission delayed
10. Side Star Eyed
11. Chandrasekhar limit
12. Movement of Lunar orbital plane relative to Ecliptic
13. Orbiting planets
14. Spacecraft discovers solar winds are weakening.
15. Question about the orbiting plane of the moon
16. Need Help - Learning to use a telescope!
17. Is the Sun Dying?
18. New planet named
19. single dish efficiency
20. HELP.....The Azimuth and Altitude of Star Vega
21. Is there really a planet X?
22. radio telescope sensitivity
23. Shaving mirror for reflecting telescope...
24. Anomalistic, Sidereal, Nodal month, etc....
25. What is a Fourth Dimension?
26. Matter, Antimatter, and Micro Black holes
27. Rogue black holes
28. Benchmark redshifts to tell your kid brother or sister
29. Blue Shift objects; is there a list/table?
30. How To measure Moon Orbital Velocity ?
31. Evaluating the age of a universe
32. What is the cause of the rotation of the planets
33. Inventing Moons and their Eclilpses--help!
34. Like a diamond in the sky..... (with video)
35. Measuring astronomical distances
36. Is it known what dark matter is?
37. Can't identify a star.
38. Black Holes and Galaxy formation
39. tides
40. Us in the center
41. Astrometeorology: A real science?
42. signal to the end of the universe
43. "Hard" Spectrum
44. Light Source for Point source fibers - telescope
45. Gravitation Force on the Earth's Centre
46. More Curious Questions
47. Quick one about moon...
48. Blue faster than red
49. Best Eye Pieces for a Newbie?
50. Help get my telescope functional?
51. Calculation of Eclipse
52. Looking at planets....
53. refractor or reflector
54. Liquid found on Titan
55. watching sun eclipse at sunset
56. Scientists find the trigger of the Northern Lights
57. Sun earth distance
58. Martian Archeology?
59. Mirror i purchased
60. Current position of planets
61. Urban Stargazing?
62. Earth movement
63. JPL Website is Wrong!!!
64. What happened to ChandraYaan?
65. New Gorgeous Video from Deep Impact
66. Typical light levels at Mars's surface
67. Should we "Makemake" anything about the name?
68. Solar corona photography
69. Tidal locking and Uranus
70. Binary Star system
71. Energy carried by the bulk motion of matter
72. Earth-Moon Barycentre
73. Telescope advice
74. Building a telescope ( from another one )
75. Spiraling of Space and Gravity
76. Please help a dummy!
77. Planet name
78. unanswered phenomenon in earth orbit
79. Argument of the Perihelion
80. Sun size optical illusion
81. Why don't galaxies move faster then c?
82. NED search by position- batch submission
83. Giant Asteroid Flattened Half of Mars, Studies Suggest
84. ICRS Coordinates
85. What are your thoughts about the Large Hadron Collider?
86. Astronomical influence on climate
87. Mars - this is how it went down. (just for fun/argument sake)
88. 1a supernova
89. Why is Venus's atmosphere so hot?
90. Twins stars born at different time
91. About Martian Ice News
92. Rotations of the Planets
93. is IK Pegasi (HR 8210) dangerous to us at all?
94. Surface brightness profiles: sech^2 fit in mag/arcsec^2 units?
95. Mars Soil Has Nutrients Capable of Supporting Life
96. Water on Mars
97. earth's rotational speed in the past.
98. Celestron SGT11
99. Does anyone know how to read these diagrams?
100. How Come Planets Don't Fall Into Stars?
101. Could ever Pluto slam into Neptune?
102. GLAST in orbit
103. Pluto belongs to a new category : plutoids
104. animation/visualization of galactic rotation rates (dark matter)
105. Gravity and curvature in spacetime
106. acceleration of voyager spacecraft
107. Solar Radiation AM
108. Is our solar system 2D?
109. What is ......Dust?
110. Not homogeneous or anisotropic?
111. Astronomy Pic of the Day
112. Magnitude
113. effects of a decreased rotation veloctiy
114. planet formation and star formation
115. Planet Foramtion without stars
116. simulating globular clusters over blackholes with Fortran
117. Refractive index of Martian atmosphere near surface
118. Mars Terraforming
119. Light bending?
120. Astromony and 2012
121. Radio waves are electromagnetic.Right??
122. Mars weather forecast: Clear skies, high of -30
123. Each planet's angle from it's argument of perihelion
124. New
125. primordial collapse
126. Drawing moon phases - what’s your opinion?
127. Redshifts
128. Inside a black hole?
129. Phoenix craft to dig under Mars ice (landing planned 25 May)
130. Xray flash warns of supernova explosion
131. Celestial Sphere
132. Universal warming.
133. Laser and a neutron star
134. a spectacular new way for stars to die
135. Another Black Hole Question
136. Theory of Pluto's Origin
137. Want to fly over Mars?
138. GLAST scheduled for launch on 3 June
139. There's more starlight than we thought (nearly twice as much)
140. What did he mean?
141. Correct definition of planetary precession
142. Worldwide Telescope Project
143. Congrats to Turbo on "A Catalogue of M51 type Galaxy Associations"
144. blackholes'n antimatter
145. tropical year
146. Points in space and black holes
147. The Moon Motion Coincidence
148. Photon angular moment in space
149. Gravity In Space
150. New to the board. Gravity questions ...
151. Article tries to debunk the BBT
152. An Observational Astronomy question (HST archive search)
153. Low cost Ritchey-Chrétien?
154. NASA press release, re: Galactic X-ray source
155. How do we know that the universe expands?
156. Telescope Advice
157. bolometric luminosity of Milky Way
158. Looking for a great experiment/demo
159. Is the universe like a balloon?
160. The red shift - what does it indicate?
161. When is the next "13.00 Local Sidereal Time" for a UK observer?
162. Building Paralleogram Mount/What is the name of this Part?
163. distances
164. Speeds of the moon's motions
165. Uses of asteroids?
166. to scale animation of solar system
167. Does the Universe have a centre?
168. Electrical storms in Satturn
169. Is the earth the centre of the solar system?
170. How do we know the Sun orbits the Galaxy?
171. Funny observations from Earth
172. Viewing size of Galaxies 7 Billion light years away?
173. Ellipsoidal nature of the Earth
174. What's the fastest space pulls apart from itself?
175. Moon Cycles
176. What's a secular timescale?
177. Early Warning against "Killer"-Asteroids - current state, ideas..
178. orbit
179. How to find data on Earth, planets, motions
180. calculations of orbits
181. Cepheid variable star???
182. Ratio between Semi major and Velocity
183. Apophis Strikes Earth: Odds still 1 in 45,000
184. torque caused by/due to a galaxy's spin
185. will voyager 1 or 2 pass the heliopause
186. Multi-colored Stars
187. Cosmic Rays
188. on Mohs' scale, or another, what is the hardness of Neutronium in its native environ?
189. Emission Spectra
190. Synchronous moons
191. Satellites in the night sky?
192. Maya Calendar?
193. Sun formed on a core of a supernova?
194. Why are we still looking at Mars?
195. Mirror question
196. earth's movement
197. HJD to BJD
198. Local Star like ours...
199. Polishing mirror
200. Gamma Ray burst in the Milkey Way
201. Titius-Bode law, any analytical or numerical derivation?
202. The earth closest to the sun
203. Why don’t planet hunters find black holes?
204. Went boom
205. Precession of the earth's axis
206. What are the limiting factors in this case....
207. A question about star's luminosity, temperature and mass.
208. Dark energy
209. relation between earth position in orbit and its tilt
210. urban legends in authoritative astronomy
211. If the moon did not exist
212. Help With A Few Questions?
213. Newbie question on atsrophotography
214. Telescope alteration (Russ or turbo-1)
215. earth/solar position vs spiral arms
216. Astronomy Videos
217. Superbubbles
218. Why do we see the near side of the moon only??
219. Just Checking - Calculating Angular Diameter of Moon
220. Hubble ultra deep field - beyond the big bang
221. Universe Building
222. parallax
223. stars
224. Are matter and energy equally represented
225. How do i find a Astronomy club close to me ?
226. Satellite Right Acension and Declination Calculations
227. Is This A Good Telescope ?
228. A question about telescope
229. Measuring Distance
230. Star threathens earth.
231. Appearance of the lakes on Titan
232. article from today's NYTimes
233. Anybody know anything about parallelogram mounts
234. Population II solar systems
235. Planetary Magnetic Fields
236. Why do we have to observe ultraviolet radiation using rockets or satellites?
237. What would happen?
238. GRAVITAS GRAVITAS: Portraits of a Universe in Motion -- Freely Available
239. Buying a Telescope , guide me.
240. 2 symmetrical identical planets
241. Stars twinkle, but planets don't?
242. Radial Velocity of the Sun
243. Question
244. Lunar Eclipse
245. may you help me PLZ ?? Qs
246. Sun rotation difference (equator/latitude/pole)?
247. How close does the comet come to earth
248. The Milky Way is twice the size we thought it was
249. Ultimate fate of ISS (International Space Station)
250. Speed of Space Expansion
251. Would you expect comets to follow the ecliptic? Explain.
252. If the moon was twice as far away from the earth as it actually is, how would tides b
253. SETI: What would it take to monitor all probable bands.
254. Viewing Saturn from a 6" telescope
255. What caused the cooling of the universe?
256. Gravity question
257. Parallax Problem
258. Density of a Neutron Star
259. V relative to black hole
260. Degrees of freedom in HII regions
261. Rotation period vs. mass of planets in solar system
262. HII regions, on-the-spot approximations
263. Planets and Moon Orbit
264. *Big Bang*
265. photon help
266. Hubble Expansion
267. Name That Satellite!
268. Water on Enceladus
269. focal point and telescopes
270. Two Questions
271. what happens when one's gravity attracts the other?
272. Is it possible to create Orbital construction yards for Spaceships?
273. Can we see human history through a telescope?
274. The speed of our sun
275. Heat Transfer in Neutron Stars
276. Suppose we change the axis of the earth and make it vertical to the solar system...
277. Optical interferometry
278. *WHAT makes Earth ROTATE*?
279. Mutual inclination between the orbital planes of 2 planets orbiting around the sun
280. Altitude and Azimuth Question
281. Magnification of telescope
282. Analemma Visualisation
283. Skies dim for British astronomers
284. Theoretical Resolution of Hubble
285. (problem) Spherical trigonometry and difference of two stars
286. RA and Declination
287. (problem) Spherical trigonometry and star declination
288. Where to look???
289. Need Help Creating Moons for Fiction Story
290. Spectral and Luminosity Classification
291. Apparent Magnitude of planets as seen from earth
292. The creation of our solar system?
293. Why 24 hours for right ascension?
294. Quick question with regards to self-study
295. Life support?
296. First pictures From Mercury in 30 yrs.
297. The ecliptic planes of the Milky Way and the solar system
298. Kepler's law
299. objective mirrors for telescope..
300. objective mirrors...
301. Current Event (MDA sold to USA) Discussion
302. Star???
303. Zhumell 3x Barlow
304. The origin of water in the universe
305. Crossing the galactic plane
306. Mars Express Images
307. Could I Have Seen the Horsehead?
308. Did supernovae have anything to do with the solar creation?
309. What would make a star flash red and blue?
310. Is it possible for a black hole to "eat" an entire galaxy?
311. Black hole question
312. Observing Redshift
313. Can black holes absorb at an infinite rate?
314. Planar orbits?
315. Why gas giants were created far from the Sun?
316. any rotating clusters ???
317. help me plz im in WAS and i need to know Delta V. plz plz plz.
318. What kind of telescope to buy?
319. Solar cycle #24
320. Help
321. How do I go to Moon and Mars?
322. Question on Orbits
323. Starfinder telescope
324. pulse of the sun's dynamo
325. annoying nitpicking: has the geocentric view of the solar system been refuted?
326. Collimation Problems
327. Gravitational Time Dilation
328. Nebulas from close
329. Asteroid may strike Mars
330. how do we know the size of these suns?
331. telescope and astronomy questions
332. Freakiest things in our solar system
333. Molten Earth
334. When a star explodes, does the shock wave...
335. The gas giants in Solar system
336. photon radiation, how does it work?
337. Negative Refractive Index Telescopes?
338. Magnetic fields
339. Pluto
340. The early universe
341. Question on Refractor Telescope !
342. Gregorian calendar off by 26 seconds a year
343. Again the Saturn rings
344. Vast distance.
345. Time indside the earth
346. Origin of the moon
347. Saturn's rings
348. Help! I heard about this theory...
349. Rouge star?
350. need to interveiw:
351. How strong is gravity in the center of the earth?
352. Distance from low earth orbit to Europa?
353. Telescope
354. Sideways Moon
355. do the planets revolve on a 2d plane?
356. Macsyma package for celestial mechanics
357. Cosmology Documentaries
358. Algol
359. Online Observatory Assistance
360. Orbital Speed calculation using conservation of Energy
361. high speed space travel
362. Understanding the acceleration of solar wind particles
363. My blackhole theory-Why is it Wrong?
364. A question about the Satturn rings.
365. What is ecentricity?
366. Looking for a "mainstream" explanation for gamma gays and nuetron capture signatures.
367. V-I Color Index and Astronomical Catalog
368. Ancient calculations and observations
369. What if the Earth could be moved away from the Sun when it becomes a red giant
370. IEEE considering electrical model of stars
371. Sunrise on Uranus
372. manifold and metric
373. Intelligent Life
374. Fiction Writer Looking for Some Astronomy Help
375. Asteroid Hits Moon / Breaks it up:
376. Moon Landing Conspiracy
377. Question on Matter/Anti-matter
378. Paper: Origin of solar system
379. Circumpolar Stars
380. An Online Planetarium
381. Beginners Questions about Astronomy
382. Can someone tell me what this is please?
383. Astronomy Help
384. Agol, Interesting objects in Perseus.
385. why most of the planetary orbits are ellipitical?
386. Comet Holmes is next to...?
387. Moon Objects
388. Identifying Objects in the Solar System
389. Cassini's Cosmic Recordings
390. HDTV Lunar Image...
391. A question about MilkyWay
392. Aurora in North pole
393. space temperature
394. Miniprobes for interstellar exploration
395. Tunguska crater found?
396. Question - Tilt of the Analemma
397. Question about the "obliquity of the ecliptic"
398. Naked eye comet in Perseus
399. Asteroid hits moon → moon hits Earth...possible?
400. black hole....
401. Looking for advice on telescope
402. Can we tell apart antimatter from matter?
403. Doubt about Gravity
404. Albedo and reflected light from the moon
405. telescope lenses
406. No dark matter?
407. Eccentric orbits
408. Could a Solar Flare destroy life on our planet?
409. Asteroid database
410. The age of the Kebira crater
411. Sts-107
412. Space Station going down hill?
413. Doesn't it just make you mad?
414. Lagrange planetary equations, web derivation?
415. life on moon?
416. Red shift question
417. Is 99% of the volume of the universe empty?
418. Current technology
419. Global warming and solar actvities
420. Can I be correct to say
421. Planets and Stars
422. So , we don't know how universe began?
423. We're Slipping!
424. Does nuclear weapon can destory the moon?
425. Further plausible (?) elaboration on Fermi Paradox
426. please help!!
427. voyager 1 and 2 still alive?
428. What makes Earth...
429. Telescopes: what can you see without CCD?
430. Question about light
431. Is this possible, IN PRINCIPLE???
432. Why is earth's path is elliptical?
433. Limb darkening question
434. nonrelativistic perihelion drift, best references ?
435. Angle viewed form erath between sun and planet.
436. Moon's orbit & length of day/month
437. Distance from Sun to "outside" galaxy?
438. Big database
439. Mean Orbital Separation Question
440. Makes it harder to believe we're alone
441. Check the profile of a telescope mirror
442. CRIRES (VLT) Radial Velocity Sensitivity
443. Transit time calculation
444. Density of solar flares?
445. curiosity
446. Buying beginner telescope
447. M101 maximum wavelength
448. Gas Giants
449. What is an inverse meter?
450. Question About "Comet Hunting"
451. Building my first telescope
452. southern hemisphere astro textbooks
453. how does the movement of stars compare to the movement of planets
454. Doomsday scenarios
455. Shouldn’t ice on comets burn up quickly?
456. What is the limiting factor?
457. Humidity...
458. Solidifying space mirrors in space?
459. recommend some books
460. orbits
461. specific intensity
462. Field of Eschatology pertaining to the binary star "Wormwood"
463. Hi and a question
464. North polar geysers on Mars?
465. Problem with the theories about the Sun and the planets
466. Our skewed perception of galaxies...
467. Astronomy & Astrophysics 210 - and misc questions
468. Sharper than Hubble, from the ground.
469. Primary focus magnification???
470. Only 1 hour to the Aurigids meteor shower (storm?)
471. Habiting a planet
472. Question about the sun and the earth long long ago.
473. Temperature of a Comet's Tail?
474. Moondance
475. Moon orbits the earth
476. Need to teach solar system models. Software? Online videos?
477. "Gaping hole found in universe"
478. nova
479. Google Earth goes skywards
480. I Am Cursed! Ack! Fi! My New Telescope hates me...
481. White Dwarf GD 362 - signs of earthlike planets
482. moons orbit
483. A Star with a Comet's Tail
484. Sun???
485. how are stars formed?
486. Finally Ordering New Telescope
487. Question re: Planets Facing Each Other
488. Maximal planet alignment
489. Two moons on August 27th, 2007
490. about initial conditions...
491. Will cosmic microwave background disappear?
492. the saros cycle
493. Great Canary Telescope - First Light
494. Water found on distant planet (hot Jupiter at 63 LY)
495. Galaxy Zoo
496. Question regarding sun/moon angle
497. Death of low mass stars
498. What should I look for?
499. How to find any naked-eye object
500. What are the current problems/challenges in solar astronomy?
501. How would the solar system capture an extra solar planet ??
502. Taking Pictures...
503. Planetwatching
504. Full moon height
505. Surface of the Sun
506. Another Neptune in the Oort Cloud
507. Travelling... I need a map
508. Liftoff for Ceres and Vesta (July 2007)
509. about julian days
510. Giant Solar Laser
511. Where Did Mars Get Its Name?
512. More about Mirrors
513. About Parabolic Telescope Mirrors
514. Astronomical retrocalculations
515. Publications on the evolution of stars???
516. Exoplanets
517. lunar perturbations
518. why objects at lagrangian points 4 and 5 are stable?
519. A hole on Mars
520. Most distant Black Hole!
521. Dark matter ?
522. Black hole gravity response question
523. Earth-Sun distance
524. Galilean Moons
525. Ptolemy and his eclipses
526. A Query on Sun and Moon Coordinate data
527. Iron sun?
528. Gamma ray bursts!
529. THE UNIVERSE tonight @ 9pm/8c
530. Concerning Stellar Evolution
531. Measuring the Distances to Stars and Galaxies
532. What would a black hole look like?
533. My First Iridium Flare!
534. Square Kilometer Array
535. Who said: "however the Earth still rotates"
536. What can I get to improve telescope
537. What is out tonight?
538. Effects of Gravity on pi
539. Amazing saturn photo
540. What did we dicover on Titan?
541. Gravity and the Rotation of Galaxies
542. gravitational lensing
543. Gliese 581 d
544. HD 149026b - a hot planet
545. Details on the galaxy crash in our future
546. Supernova 7000 ly away
547. Is Too Much Physics Bad For Astronomy?
548. Dead stars
549. Brightest supernova ever observed
550. Pluto's orbital inclination
551. Cold and Hot Dark Matter
552. Doppler Effect Question
553. How Fast?
554. Fine Structure Constant
555. Rayleigh scattering in Earth's atmosphere
556. CCD readout noise problem!!
557. Apparent Magnitude
558. refracting telescope project
559. Atmospheric Refraction vs Height
560. The Universe in Motion
561. maximum number of orbiting planets
562. Wikisky.org
563. Red Square Nebula
564. Moonlight
565. Most earthlike exoplanet yet (ESO team 23 April)
566. Quasar Redshift
567. E=MC2 vs "The End"
568. Atmospheric Absorption of Starlight
569. Black hole................
570. Observed Galaxies
571. Size of the Universe
572. Help with Strange Photos of the Sun
573. V waveband luminosity
574. moonlight
575. Thoughts on Martain Life
576. Absolute Magnitudes for Cepheids
577. Velocity of rotation at the edge of the Galaxies
578. way cool addition to 'astronomy picture of the day'!
579. A comet question
580. Spiral arms
581. Why is a comet worse(asteroid)?
582. Is Jupiter a planet>
583. Orange Light
584. Do exotic matter stars exist
585. The universe scale
586. earth's elliptical orbit
587. Sad disconnect at Cosmic Variance blog---how not to discuss
588. Unusual object I saw in sky in Boston area
589. Before Bigbang
590. Something majorly wrong with this paper?
591. Star Collisions
592. Please Help!! Why does gravity make things spin?
593. Radius of planet from Transits
594. familiar with velocity
595. General Relativity - Question
596. Help finding a binocular
597. More stars in the Milky Way or galaxies in the universe?
598. What is at the center of the universe?
599. A Hello and ask for advice
600. The test of science
601. Why the sun/moon looks bigger at the sunset/rise?
602. WHY is the sun red during rise and set...
603. Gravity and Dark Matter
604. Star Light Fading - Question
605. View of Milky Way from Earth
606. Pluto conjuctions
607. 2 questions
608. Calculating distance to object?
609. Anyone own a Celestron 11'' schmidt cassegrain?
610. Masses of binary system (quick q)
611. Trying to make a start
612. Doppler Shift in Binary stars?
613. End of the Universe
614. Io- how much power?
615. Questions out of curiosity… Enlighten me please!
616. The Universe
617. Cepheides help
618. A rough calculation on the duration of lunar eclipse
619. Access to astronomy journal articles
620. gamma ray bursters
621. physorg: comet defined by tail
622. Can anyone here please tell me about the sun dying?
623. Planetary formation and effects of gravity
624. Black holes, the sun and wormholes.
625. Is 99% of Kuiper Belt missing?
626. Stellar Population in Milky Way
627. No big planets close to the Sun?
628. Uranus rocky core?
629. Quick easy question..Formula for angular diameter?
630. Check This Out!
631. Nova in Scorpius
632. Apophis will hit earth?
633. doesn't dust or debris collect at the L4 and L5 Lagrangian points?
634. ?'s about water on Mars
635. Fabric of space-time real?
636. vibrating moon
637. Eclipsing binary problem!!! im really frustrated!!!
638. suns contraction
639. Really Simple Circumference Question
640. Damn we're small!!
641. UMC Time, Right Ascension and Longitude
642. Atmospheric Refraction
643. Black Holes in a Newtonian (non-Einsteinian) World
644. Detecting transmission signal destinations
645. Public Star Parties
646. a contradiction...?
647. Building Telescopes
648. Astronomy Olympiad
649. How do we determine what's in the core of stars/planets?
650. Infinity
651. Star Density... Should be a piece of cake...
652. are other planets getting hotter like the Earth?
653. are craters on the moon randomly distributed?
654. Comets
655. Galaxies
656. Placement
657. The Solar Constant
658. Earth orbital velocties
659. So how fast are we actually moving?
660. What if the moon was bigger?
661. Brightest Comet in History...?...
662. Galactic HI Emission
663. What's the farthest distance a star visible to the naked eye can still be seen?
664. Black holes, can we see them directly?
665. Our Newest Map of Dark Matter.
666. Andromeda 5x bigger than previously thought.
667. Future (total) solar eclipses
668. Telescope Staying Out
669. Green meteor
670. Ratio of Orbital Distance to Transit Time
671. Aurora on Jupiter?
672. season indicator
673. precession
674. Lens cleaning
675. Coordinate conversion calculator
676. Why Symmetry of Tides on Earth (influenced by moon, sun)
677. Night Sky
678. Gravity leaving a permanent indention?
679. magnetic field in neutron stars
680. Solar Storm - Aurorae tonight (14th)
681. The universe should be billions of times brighter than the Milky Way????
682. Man in Space
683. Please help. Supernovae database?
684. Just a little question on orbits.
685. Water flows on mars
686. Neutron stars
687. Prismatic Telescope Image
688. Two Questions on Movement
689. Mass and gravity confuse me
690. Post Your Astronomy Findings here!
691. What effects do the collision of galaxies have on the solar system?
692. Hypernovae?
693. Parallax and Kepler
694. Telescope Advice
695. StarStuff - ABCNewsradio program Australia
696. Why do planets rotate?
697. Far Side of the Sun
698. So what's the currently accepted gravity theory?
699. Has anyone done The Hubble Redshift Distance Relation Lab through Clea???
700. Galaxy defy Kepler? True or bull?
701. If Saturn floats, then what happens?
702. Hurricane-like storm on Saturn
703. earth changing tangental velocity?
704. Transit of Mercury 2006
705. stars colliding/meeting up with each other
706. 2 questions on astronomy!
707. Jupiter....?
708. Hubble Repair Mission is a go!
709. a question related to solar system
710. a dumb question about astronomy
711. Space physics
712. Varibles/Eclipsing Binary systems
713. about space
714. Comet Swan
715. Kuiper belt/Scattered disc
716. When will Andromeda galaxy look as big as the moon today?
717. Conveyor belt on sun
718. Solar storms ideas?
719. Kepler's Laws
720. Solar wind + Weak magnetic field = No water?
721. Presence of terrestrial planets reckoned by star spectrum & co-orbiting gas giants
722. hipparcos catalogue question
723. Eclipse reappearance of Io
724. Astronomy pictures
725. ExoPlanet Hunting
726. LSST and Pan-STARRS, monitoring the whole sky, much more deeply
727. I'm stuck on a problem...
728. horizontal system of celestial coordinates
729. right ascention/arc-second
730. Gravitational pull is related to rotational speed?
731. measuring the absolute value of the AU
732. celestial pole
733. SuperWASP - Wide Angle Search for Planets
734. Space Exploration and its effect on the Earth's Oxygen supply: I have a question
735. The possiblity of a solid planetary disk
736. evaluate the pic : got a black spot in sun
737. Hubble Servicing Mission?
738. Astronomy/Kepler Law Question that is KILLING me.
739. i want to build my telescope ... any advice ?
740. Astronomy in the City
741. I did it!
742. Physical properties of objects that orbit each other in the universe
743. Planet HAT-P-1 poses a puzzle
744. New double pulsar testbed for GR and alts.
745. Tiny inhabitable planet
746. Xena officially named Eris (as of 13 Sept)
747. supernova 1987a, light, neutrinos, VSL claims
748. Dark matter, observable?
749. Pulsar
750. jupiter's atmosphere
751. photo of satellite?
752. Cruithne Help.
753. wet planets common (new simulation study by Raymond et al)
754. The Sky at Night Webcasts
755. Balls of Gas aren't Planets
756. Pole Star - Help!
757. The Astronomy Peer Review Process
758. Saturn's Rings
759. Earth almost gets hit
760. Satellite to impact Moon tonight/tomorrow
761. Rare Astronomical Event Observed for the First Time
762. Why is there only 8 planets now
763. Tiny Blackholes may pervade space
764. Mars Closest Encounter With Earth
765. Telescope upgrade
766. Helio/geo Centric Funda
767. is space already magnified?
768. Brightness of Mars as observed from earth
769. Moon
770. Sedna must be a planet (at least for now) according to new definition?
771. Now Its Official: Eight Planets (Pluto got bumped)
772. Call them DOLPHINS (not "dwarf planets")
773. Mr Confused
774. rehash: speed of falling object at Earth's centre
775. Limiting magnitude
776. Mars highly visible to Earth?
777. Research Project Ideas
778. physics of movement
779. Questions about stellar evolution
780. The new defiention of a planet!
781. what is this Moon phenomenon?
782. Twelve Planets
783. Only earth orbits in a circular motion?
784. NASA Dark Matter Announcement on Monday, 21st Aug
785. Drakes equation
786. Just a question of planetary magnetism
787. Trans-Neptune debris casts Xray shadows
788. Another newbie question
789. Stargazing in Washington state
790. Phases of the moon
791. Final Year Project
792. One million pounds of thrust?
793. Buying a telescope... any suggestions?
794. Quick Advice...
795. how are stars formed?
796. Blackholes theory maybe incorrect??
797. Dark matter detectors
798. Ir
799. Heard anything about GPB results?
800. Catalog of Nearby Exoplanets
801. star catalogues
802. Solar System Planets
803. travel and astronomy
804. South Delta Aquarid or Perseids?
805. Gravity on the surface of the Moon
806. Pluto
807. Lifters
808. School cosmology assignment
809. Radio Telescopes
810. estimating mass of earth
811. hawking radiation
812. Hubble's camera goes into safe mode
813. Reverse/change in earth's axis
814. Ocean Tides, Earth's Rotation, Moon's Orbital Radius, & Global Warming
815. Calculating the gravitational accelleration on the surface of a planet
816. If the Universe is Expanding...
817. What could cause craters...
818. fake moon landing
819. Predicting the location of stars & planets
820. Who created this running difference image?
821. I've been wondering
822. juggling and orbital mechanics
823. Translational motion of stars & planets
824. List of objects of Gould's Belt
825. New map of the galaxy (Levine Blitz Heiles)
826. Gammaray Bursts (all you ever wanted to know)
827. Gammaray Sky animation (what GLAST will see)
828. Terra Foruming
829. Eclipsing binaries (references to data and models?)
830. Impatient
831. Earth Impacts
832. Voyager 2 Detects Odd Shape of Solar System's Edge
833. Astronomy deep underground
834. kuiper belt objects
835. Meteorite Collision Modelling
836. comet 25th may?
837. Thought Experiment
838. My First Observation
839. A general qustion on expansion......
840. Question about the planets
841. is there white hole in the universe?
842. Neptune
843. Sterile Nuetrinos : explanation for DM?
844. Moon's orbit.
845. gas planets
846. The Dunes of Titan
847. Venusian rotation
848. Earth Rotation
849. is Alpha Centauri, the closes star to the solar system?
850. What is the cause of coronal loops?
851. Why is my paper very difficult to be published?
852. Water on moon
853. Poll on mars
854. 2D orbiting
855. Do solar neutrinos really change flavor?
856. Explaining axis tilts
857. Mars mission a sham
858. Nuclear Fusion Rockets v.s Fission
859. Relation Between Areas of Astronomy
860. Trojans
861. orbital simulation
862. Strike deathray from list of concerns?
863. Can the gas model theory explain recent satellite observations?
864. Part of a binary star system?
865. Northern lights - How?
866. Our solar system
867. The moon
868. Drake equeation and planet finding
869. Question in Star formation
870. See Planet George form earth
871. Is the physics within the Solar system really understood?
872. Distance between earth and moon increasing!
873. Sat temps in orbit?
874. Understanding redshift surveys
875. You'd see ... what?
876. Methanol Cloud
877. The first stars
878. Earths environment
879. Rosswog ideas for GRB mechanism
880. Dust Cloud
881. Nasa
882. Link to HiRISE
883. Solar Twins - How Far Away?
884. Dawn back on! 2007!
885. Astronomy Problems: Please Help!
886. question about relation between galaxies
887. Help finding an Aitoff projection of constellations
888. Solar Rate
889. The Earth, Moon and Sun's "gavity" game.
890. Solar sys. travel questions
891. Equinox Timing
892. Other Planet's Radiation Belts.
893. Space Density
894. apparently, M62 is quite hospitable to life
895. Can You See A Black Hole?
896. characteristics of globular clusters
897. The moon doesn`t rotate around it`s axis.
898. New WMAP data released
899. The quasar "in" NGC 7319
900. How many places in the solar system have liquid water?
901. Entropy of the universe
902. Universal Regeneration
903. nova
904. Current velocities of planets?
905. Life On Europa?
906. Farthest Visible Star
907. Question for astronomers, astrphys.
908. Antimatter?
909. More suns found
910. Water found somewhere beyond Earth
911. Population III detected at last?
912. The habitable planets
913. Black hole kick (new numerical result)
914. Big Bang: EXPLOSION OF A SUPER MASSIVE B.H
915. Tully-Fisher, fundamental plane - what about LSBs, dwarfs, etc?
916. Cosmic rays and the EMS
917. symbol for section
918. Light in astronomy
919. Star Statistics
920. Space station
921. 21 cm radiation
922. Solar celestial position (as function of latt, long, time of day, date,...)
923. questions of a newb
924. Lightening on Mars?
925. Bits Missing From Hubble Photos
926. NASA budget/program cuts
927. New Type of Star Discovered!
928. Do Celestial Objects Compete for Matter?
929. Venus Escaped Moon GravitySimulator Update
930. The Largest thunderstorm on saturan
931. Can planetoids repair complete fractures?
932. planetary simulation software
933. Astrophotography Question
934. Parallax (definition)
935. expansion of galaxies
936. Mercanter projection of Mars
937. Big discovery: Hypergiant may have planets
938. Temperature of Dark Matter
939. Awestruck Astronauts
940. what is it called?
941. White holes
942. Undergrad: General Astronomy Questions.
943. Sun
944. exiled stars
945. Could something be seen going the speed of light?
946. Infinite Gravity
947. VERY high resolution Cassini photos?
948. Neutrinos
949. How Do We See the Milky Way
950. Hyper-Velocity Stars
951. Worm Holes
952. Theory of + and -
953. what if a comet hit venus
954. Atrometry (CANOPUS)
955. Roving Mars: IMAX movie coming soon
956. Major Scientific Discovery - Extrasolar planet announcement 25 Jan 18:00 GMT
957. Dark matter
958. Galactic Merger question
959. Terrestrial planet search review paper
960. Mission To Pluto Uses Jupiter To Speed Up?
961. Equitorial/Horizontal co-ordinate questions
962. Small Comets, Dr Louis Rich, & Water In Space
963. Horizons Misson -- Questions
964. Travel
965. Life on a brown dwarf or a fissioning rouge planet?
966. check this out too!
967. Galactic redshift anomalies
968. Our solar system
969. Observing question
970. Audiable sound on other planets
971. check this out!
972. trapezium?
973. Heim-Dröscher space,eight-dimensional universe, Mars-Earth: three hour trip
974. Confirmation, please.
975. Three cheers and two years for the Mars rovers
976. Why the earth is rotating along its axis?
977. Universe Today PDF
978. Apophis to impact earth in 2036?
979. Real time effects of light, light speed, and the sun?
980. Earth Space Agency
981. Stardust nears end of epic journey
982. Frank Tipler on Matter-Energy Conversion
983. New Clifford Will paper (LISA, BHs)
984. Not your standard '2005 in review' thread!
985. Same star in many places in the sky
986. Earth as seen Mars
987. Alternate sources for 3K background radiation?
988. Jupiter's clouds
989. How do we know the sun's orbit?
990. NASA's Hubble Discovers New Rings and Moons Around Uranus
991. About Negative Pressure
992. A Volcanically active moon - Enceladus!
993. Dark matter & dark energy Q's
994. About to become an armchair astronomer
995. red shift
996. Is this correct???
997. Space-time fabric
998. Earth-Moon center of mass?
999. A theory of gravity based on special relativity
1000. Cuspy Halo Problems...
1001. Big Bang and the Law of Conservation of Matter/Energy?
1002. nebulas
1003. Universe doesn't equal Time travel
1004. Inflation
1005. Infinite Universe not possible?
1006. Flat Universe possess an edge?
1007. The opposition of Juno .
1008. Some spiral galaxies larger than previously reported!
1009. Dark Galaxy found!?
1010. super-black holes and the universe...
1011. questions on doppler shift
1012. Chicago: New Views of the Universe (Dec 8-13,2005)
1013. Galaxy paradox?
1014. Neutronium article @ Wikipedia in need of experts and knowledgeables
1015. kuiper belt info
1016. 4 Astronomy Problems: ASSISTANCE NEEDED PLEASE
1017. VLF Radio Astronomy?
1018. The Solar System
1019. Need WMAP error bars for CMBFAST power spectrum output
1020. missing galaxies?
1021. orbit to mars
1022. No Dark Matter?
1023. Yet another new solar system?
1024. Probe returning with asteroid rock sample
1025. Black Holes man
1026. Okay, clear this up for me
1027. infinite universe
1028. The Universe as big as a basket ball??
1029. distinguishing MOND from dark matter
1030. Jupiter as a Gravitational lens??
1031. Does a black hole have entropy?
1032. Origin of gamma ray burst
1033. Question about the Big Bang...
1034. Why are our planets and galaxy in a plane shape?
1035. What Force might do this?
1036. GRB's
1037. Intro to Astronomy & Astrophysics
1038. Recent Supernovae Ia observations tend to rule out all the cosmologies
1039. Poll of exoplanet-finders about best methods
1040. Delay of JWST a Major Setback for Astronomy
1041. If space is flat then what is directly under the planets?
1042. Question...
1043. DM and DE
1044. quasar without a host galaxy
1045. Paper - Sun not powered by H fusion
1046. Flat Universe Question
1047. sun disappears? consequences?
1048. Planet Destroying Chaos Cloud
1049. Gravitational energy?
1050. Ameteur question
1051. The Purpose of Inflation
1052. Acceleration of charges at Big Bang
1053. Astronomy Problems: Please Look/help!
1054. Phobos & Deimos
1055. Settlement on Moon
1056. where did we come from?
1057. A strange star appeared!
1058. Speed of light to the square
1059. Is Dark Matter the Unruh effect applied to the acceleration of Gravity?
1060. Size of the Universe
1061. Does "natural selection" apply extra-galactically?
1062. Gravitational Lensing
1063. Seeing light from early Universe
1064. Local effects of Hubble flow
1065. Venus express on it's way
1066. Glass planet
1067. shielding space stations
1068. accuracy in space
1069. nuclear fuel for rockets
1070. neutron star
1071. Coffee mug into Black Hole
1072. Who here has calculated the dark energy density?
1073. White Holes?
1074. Andre's question
1075. I'd like to buy a telescope
1076. Forensic Reconstruction of Copernicus' Face
1077. highest known blue shift
1078. What is the biggest star we know of?
1079. Supernova kills mammoths?
1080. Living in the Multiverse
1081. Restart The Big Bang
1082. If Omega was exactly 1....
1083. traces of earliest stars found?
1084. Inside the blackhole
1085. celestron powerseeker 675
1086. Your take on CarlB's idea.
1087. Please Help
1088. lower mass = more elliptical orbit?
1089. Alignment of Quasar Polarizations 0507274
1090. Hubble discovers two new satellites of Pluto
1091. Energy & Telescopic Physics/Astronomy
1092. An anomalous concentration of QSOs around NGC 3079
1093. CMBR - multiple detections of the same 'spots'?
1094. Non-photonic 'telescopes'
1095. Massive objects with super-solar metallicities at z~6
1096. Planck Epoch
1097. specific definition of space in BB
1098. Failures of Big Bang
1099. rms speed of H
1100. formation of planets
1101. Oscilating universe
1102. Only a short answer please
1103. Mars to Swing Close to Earth This Weekend
1104. Reporters are Idiots
1105. Distance and Red Shift of stars
1106. What is the universe doing
1107. More about the Cooperstock and Tieu model
1108. Should The Galaxy Have Been Colonized By Now?
1109. Beginning Astronomy Please Help
1110. libration points
1111. Black holes and galaxies
1112. Star formation rates z=6 to z=10
1113. Satellites: Radiation Pressure
1114. moon
1115. IMF and First Stars
1116. Astronomy Problems: PLEASE HELP!
1117. 'First Light' and the Universe's early years
1118. Wraparound Universe
1119. Novice Astrophotographer Discovers Supernova
1120. Satellites
1121. is the inernal energy of the universe decreasing?
1122. Can GRB cause mass-extinctions?
1123. New study shows Dark Energy isn't needed? Relativty explains it?
1124. Message in the sky.
1125. Preservation of Space
1126. When is the best time?
1127. Interesting ?
1128. A Comic Question
1129. Star formation
1130. Quickie: CP and power spectrum of the CMB
1131. Gamma ray burst
1132. eclispses effecting brightness
1133. Unusual Observation
1134. If the earth stopped spinning...
1135. Dark Matter: what is it
1136. How does the cosmic background radiation works
1137. new study shows Dark Matter isn't needed? Relativty explains it?
1138. weak and strong anthropic principle
1139. Blackhole gulps down Neutron Star
1140. An infinitely old universe
1141. Detecting planets with transit
1142. semi-pop review of structure of universe
1143. physical simetries
1144. Why does a gas cloud spontanously rotate?
1145. Galactic Evolution
1146. Heat of objects entering an atmosphere?
1147. The Edge of the Universe
1148. Sidereal vs. Solar Day
1149. Right Ascension and Declination
1150. The nature of Dark Matter
1151. Dark matter - one mystery solved
1152. The Length of the Universe
1153. The Distribution of Dark Matter in Spirals
1154. VLT Images
1155. Dark Energy Insights..
1156. New Planet
1157. Is our Sun a Binary Star?
1158. Recycled
1159. How do astronomers measure an objects angular size?
1160. This guy is my hero...
1161. a stupid question..
1162. figure this one out???
1163. Singularity Seeding...
1164. Where are the real definitions of homogeneity and isotropy?
1165. Space Ladder
1166. magnitude system
1167. Turbulent cells
1168. mass function
1169. Thoughts?
1170. Origins of the Universe
1171. Virtual era
1172. Black holes and galaxies!!!!
1173. guess what guys
1174. Closed Universe & entropy
1175. Determing distances on the fly
1176. Blackhole Question (involves Light)
1177. Galaxy Rotation Curves Without Non-B. Dark Matter
1178. Trig in telescopes
1179. Early reionization
1180. UV Galaxy Surface brightness says no expansion
1181. Shape of The Universe?
1182. Universe Distance limit
1183. Geo-reactor
1184. Reflecting telescopes
1185. Do galaxies die?
1186. [Andromeda] Fast traveling stars
1187. Galaxies
1188. Can there be anything outside of our Existance?
1189. could dark matter be error in GR or temporal effect
1190. Big crunch
1191. Dark matter
1192. Shoreline on Titan...
1193. moon
1194. The Big Bang
1195. A very interesting paper...
1196. What do you guys think?
1197. GRBs
1198. Why does the universe look black?
1199. parallel universe
1200. No moon
1201. Optical effect or coordinated behavior?
1202. Most distant gammaray blast detected
1203. saturn satellites
1204. Does the universe rotate
1205. Is the universe still expanding?
1206. Recommend a semester project?
1207. What is Hydra constellation?
1208. Black hole
1209. What's the acceleration of our galaxy?
1210. question...
1211. Fastest neutron star, 1100 km/second
1212. An Old quasar in a Young Universe?
1213. Gravitational collapse assumes that charges are singular
1214. general astronomy :course
1215. [stars] Nuclear Fuel usage rate
1216. Identification of an object in the sky
1217. Asteroid Strike in Antarctica
1218. Clustering of primordial black holes
1219. Saturns Rings Changing
1220. Can someone help me identify this object in my photo?
1221. What do you recomend is the best way to clean a lense(telescope)
1222. Speculation
1223. Dark matter highlights extra dimensions
1224. Observational Dark Energy - SN1a wiggle room?
1225. absorption in 'CMBR' wavelengths - observations? processes?
1226. Mars rover adds hill climbing to list of accomplishments
1227. The origin of cold dark matter halo density profiles
1228. coordinates?
1229. Heat Death?
1230. Help about quantum cosmology
1231. Did condensation accompany the initial big bang expansion?
1232. [astrogeology] measuring atmospheric density
1233. Universe expansion and merging galaxies
1234. Parsec
1235. Help: Application of Optical Fibre In Astronomy?
1236. Spirit reaches Martian summit
1237. Balck Out
1238. [SOLVED] Isn't space expansion expectable?
1239. mounting a 'scope on the ISS
1240. A sad day
1241. More on pop 111 stars
1242. Classic Papers in Astronomy and Cosmology
1243. On the large-angle anomalies of the microwave sky
1244. Rotating Planets
1245. Unexplained light.
1246. Graphing Software
1247. solar energy question
1248. mature stars in ancient galaxies
1249. Planets around Alpha Centauri
1250. Chandrashekhar Limit
1251. Dark matter ceu's
1252. John Bahcall Dead at 70
1253. Universe is a white hole?
1254. Question: Mnemonic for classes of stars
1255. Any Recomendations?
1256. Theory on Light
1257. Interesting theroy.
1258. Overall Charge of Universe
1259. The Milky Way is Not a Spiral?
1260. Your thoughts?
1261. The center of our galaxy
1262. Field of View
1263. Water ice in crater at Martian north pole
1264. telescope help again
1265. Other Universes
1266. Omega pointe and the Big crunch theories
1267. Perseids a wash-out here.... :grumpy:
1268. shot noise
1269. For those who think life is rare....
1270. physics of 2 bodies...
1271. Gravity & Our Gas Giant Planets
1272. Dimensions.
1273. do planets lose energy?
1274. Telescope Help
1275. Phobos and Deimos
1276. Which astrophysical journal is the best?
1277. Buying a New Telescope and would like some input.
1278. Where's SpaceTiger?
1279. Discovery-A new beginning?
1280. Do black holes "evaporate" or go "bang"?
1281. FYI - online petition to keep Voyager & Hubble programs going
1282. ET phone home
1283. Planetary Alignment on my Date of Birth
1284. Cosmic reionisation
1285. Big Bang Implosion
1286. The "fine tuning" problem (all 120 OOM of it!)
1287. StarCalc
1288. Dear Phobos, Janus, and Self Adjoint
1289. Michealson-Morley experiment
1290. Couple of G-Field
1291. no movement FTL travel
1292. why do stars flicker?
1293. How Old Are Third Generation Stars
1294. Are Macro Hidden Variables..
1295. Mass not intrinsic, but emergent.
1296. elements of mother earth
1297. Self-Replicating Probes?
1298. classical aberration of starlight
1299. Tenth planet Thread (merged)
1300. BlackHoles
1301. Ultra deep feild
1302. The Arecibo Radio Telescope
1303. Uneven Cratering of Moon's Surface
1304. Curvature of the Universe (II)
1305. Model of the Universe
1306. Pop 111 stars intermediat BHs
1307. Universal Expansion
1308. Views on schimdt Cassegrain telescopes
1309. Cosmology Simulations' softwares
1310. A small test for your astronomic study IQ
1311. Telescope lens upgrade
1312. Origin of Space and Time
1313. Dark matters seems unlikely to succeed
1314. Colonization Of The Milky Way Inevitable...
1315. Wormholes
1316. How far can we see clearly?
1317. big mars hoax
1318. Energy from the Big Bang
1319. Polarization of quasar emissions
1320. Swirling galaxies?
1321. Why
1322. Pop 111 stars
1323. Possible Explanations To Fermi's Paradox?
1324. Planet discovered in 3-star system
1325. Where has all the information gone
1326. some thoughts about the Mars icecap
1327. Radiation condensing into matter?
1328. Gravitational radiation limits
1329. Can a Black Hole create Supernova???
1330. Entanglement instead of inflation
1331. A telescope orbiting an outer planet?
1332. [stars] Red Supergiants
1333. Shadows of our time
1334. Expanding Universe + Rotation - Lost it somewhere
1335. Compton Recoil Electrons
1336. Is Teleportation Really Possible?
1337. Constriants on dark matter
1338. the earths like shield
1339. jupiter red dot
1340. The bands of the gas giants
1341. Unifying the Robertson-Walker metric
1342. Will it be hard to find planets with live plate tectonics?
1343. Big Bang
1344. black holes
1345. "infinite Galaxy"
1346. Life Against All Odds?
1347. How can empty space give off radiation from the Big Bang?!
1348. Neutrino
1349. Question
1350. Life evolving on a planet revolving a red dwarf?
1351. looking for a book
1352. Fluctuation Theorem, Big Bang Question
1353. physics & astrophysics books
1354. A thermodynamic question
1355. Carbon rich stars
1356. Encouraging signs re: uniting DM/DE fields
1357. Big Bang and Black Holes
1358. Habitable-zone planets
1359. Balck hole within 20 light years?
1360. Modified gravity
1361. Gas giants and Venus
1362. Reminder about "Deep Impact" on night of July 3
1363. Quasar Energy
1364. (Telescopes) Certifiably confused.
1365. Tha drake equation
1366. Deep Impact
1367. Texts on Introduction to Astronomy/Cosmology
1368. A little direction regarding dark energy.
1369. Telescope mount questions.
1370. variable star
1371. Galaxies
1372. Distances
1373. Dark matter fueles expansion
1374. Black hole confusion...Not uncommon, is it?
1375. Pluto mission sign up
1376. Vilenkin's proposal
1377. cosmology: the scinece on the universe.
1378. Origin of cosmic gamma ray background
1379. Current galaxy formation in the CDM model
1380. What am I doing wrong? - Telescope Trouble
1381. Cosmic censorship hypothesis
1382. Is our galaxy one of the first...
1383. new one by Moffat (comparing fit to rotation curves)
1384. Extended reionization epoch
1385. Virtual Observatory
1386. planet magnetic field
1387. Telescope Through The Web
1388. What would cause a black hole to explode?
1389. Does nightime sky face outer or inner galaxy?
1390. Sirius - habitable orbit? (link)
1391. Big Moon?
1392. If light were instantaneous
1393. "Testability" thread is great (keeping comment/discussion out works, too)
1394. What is "scale radius"
1395. The testability of your model
1396. Neutron diffusion and nucleosynthesis
1397. Gamma Ray Bursters
1398. Asteroid Belt q's.
1399. When did time begin?
1400. artificial blackbody
1401. Should we end up with DST?
1402. Network
1403. Hangin' out near a black hole.
1404. wien's law and black body emition
1405. Reduced Circumference
1406. Calculating the age of the universe...
1407. Question from a non-physicist...
1408. Sci-Fi Gravity
1409. Random walk and universal expansion
1410. Earth's 'bigger cousin' detected
1411. Comparison of the Mainstream and the Self Creation Freely Coasting models
1412. Time to reach thermal equilibrium with radiation
1413. Question about exploding neutron stars
1414. Did the Big Bang happen?!
1415. Quasars,white dwarf and neutron stars
1416. A Poll
1417. "The universe is expanding" & "the universe is infinite"
1418. Corrupted echoes from BB
1419. Who Here Is In The Rare Earth Camp?
1420. Why did the big bang happened?
1421. Massive star formation
1422. Where have you travelled virtually in spacetime?
1423. detect planets through mag field?
1424. Please give me some advise about DEC (dominant energy conditions)
1425. Fermions = DM+DE
1426. Quasars non cosmological red shift.
1427. Blackhole at the center of each galaxy, think again
1428. cosmic background radiation?
1429. Eot-Wash sub-mm test inverse square law
1430. new take on SETI
1431. Chemical evolution
1432. wrong claims
1433. Vela-X supernova and carbon dating?
1434. Gravitational Waves
1435. Limits on radio telescopes
1436. What does a neutron star "look" like
1437. Building a telescope mount and have some questions...
1438. So Has Virtual Particles Been Proven To Exist?
1439. Colour of epsilon bootis
1440. finiteness of space
1441. Increasing G during the formation of helium.
1442. High red shift black holes
1443. Hot Topics
1444. "Why I believe in higher dimensions"
1445. New cosmology?
1446. Space-time question
1447. Accelerating Universe and the Loss of Mass
1448. Europan Ocean q's
1449. Are Other Dimension Universes Plausible?
1450. Cosmic Recombination
1451. mysterious quasars
1452. Dark Matter, is it necessary?
1453. News regarding the size of Andromeda
1454. Universal movement
1455. Expansion of the Universe, cop this!
1456. Metallicity of the WHIM and ICM, and its history
1457. Density of the inter-cluster medium
1458. Non-Cosmological Interpretation of Redshift
1459. The pork chop solution
1460. Can my TV set pick up the CMBR?
1461. Quasar Absorption Lines
1462. metal poor stars
1463. Voyager goes bye bye
1464. Diamonds on other planets? Or just Earth?
1465. I`m new here.(:
1466. Dark matter!
1467. FTL Travel: Will we get there?
1468. Cleaning reflector mirror
1469. Living with aliens
1470. Moons
1471. Black Holes and Dark Matter
1472. no space ads
1473. Colonization
1474. Origin of the Universe: Created Universe vs Cyclical Universe
1475. Bh Wh
1476. HI clouds in the center of the Virgo cluster
1477. Integration of Superstring Theory into the Big Bang
1478. Studying life in other galaxies
1479. The thread thread: Strangeness of the expanding space paradigm
1480. Pluto
1481. Does our universe rotate ?
1482. Universal Boze-Einstein Condensate
1483. Conceptualizing the analogy of gravity
1484. beYond that????
1485. kleopatra
1486. Distance between peaks?
1487. About Eternal Inflation and Spacetime Bubbles
1488. Lunar-precession theory
1489. did abhas mitra proved that black holes dont exist
1490. spiral characteristics
1491. Analogue gravity
1492. Black Holes - Where does all the matter go
1493. Sean Carroll
1494. "lensed" quasar pair
1495. More precise numbers on 2004MN4 asteroid flyby in 2029
1496. Looking at neutron stars
1497. Non-spherical structures.
1498. Calculating solar mass using luminosity
1499. strange?
1500. What makes hot Jupiters?
1501. "Creation of Black Hole Detected"
1502. Is Frame Dragging an Example of a Gravity Wave?
1503. calculate separation of galaxies as a function of time
1504. Space?
1505. singularity
1506. A nice reality check on cosmology.
1507. Particle and event horizons
1508. Questions and Doubts about the Big-bang
1509. Neutrino Emission
1510. Not the centre of the universe.
1511. How Far nearby galaxy Problem
1512. Orbits
1513. black hole particle
1514. An array of questions.
1515. new MOND paper: Pointecouteau and Silk
1516. Big Bang Project Ideas
1517. Solving the mystery of Iapetus
1518. curved space
1519. Resource books
1520. Nice lecture on by Steven Weinberg "Where Do We Stand?
1521. Another new look at CC
1522. Extrasolar Sighting...
1523. are black holes a reality
1524. gravity of moon
1525. The Sun's twin star???
1526. Cosmological constant and Dark energy
1527. Deep Space animation
1528. Another MOND prediction confirmed.
1529. matter/energy ratio
1530. saturn
1531. Whirling Whirlpool...
1532. Weird Project Idea
1533. is there a size?
1534. +,- and 0 curvature
1535. No motion no gravity
1536. The moon?
1537. Universe Age..Size with respect to DM?
1538. neptune project
1539. Meteors: Fire in the Sky
1540. Big Bang Article - Early Universe more Fluid like
1541. Top 10 Hands-On Astronomy Activities?
1542. Great lecture on particle physics and cosmology
1543. A review of dark energy/vacuum energy relationship.
1544. Big Bang = Big Flow (RHIC Results)
1545. Missing stuff
1546. The sun Qn...
1547. Rosetta Awards
1548. the expansion of the universe..
1549. Cosmic Natural Selection
1550. Warp drive, then where are we?
1551. Blackholes
1552. Hubble Trouble
1553. Look For Extraterrestrial Civilizations (Don't Just Listen)
1554. Dark matter, energy and negetive gravity
1555. Gravitation, inertia, and the vacuum
1556. Size of the universe
1557. more about light energy loss
1558. Massive objects in the immediate solar neighbourhood
1559. Cns
1560. Name two things that signifify a trip around the sun
1561. Temperature of space
1562. TeVeS and Dark Energy.
1563. Could Quantum Fluctuations Happen Even...
1564. how can the expansion of space cause light to loose energy?
1565. not wanting to belive the acceleration universe model
1566. CMB Info Needed
1567. redening of light from a certian density of particals
1568. New Math...
1569. Supernova Probabilities
1570. Science’s doomsday team vs. the asteroids
1571. Escape Velocity Given Radius of 2 Objects
1572. Cosmos: more anisotropic or inhomogeneous?
1573. the moon's roche radius?
1574. CMB and Principle of Maximum Entropy
1575. A question
1576. Predicting Eclipses
1577. the great red spot
1578. What is the range of n for n-pole MBR harmonics?
1579. Desity In Space
1580. inverse square law
1581. Could Spacetime Foam...
1582. vacuum polarization and optical effects.
1583. Solar Eclipse
1584. "Bad Science" and the Anthropic Cosmological Principle
1585. Hoag's Object ???
1586. Shape of the universe
1587. Mass of the U
1588. Black hole thought.
1589. Understanding black holes
1590. Habitable Worlds circling non-Sol like stars
1591. Moon moving away
1592. Habitable Planets: Disaster Zones and Safe Havens
1593. The fist generation of star forming halos
1594. Something I don't get about Wormholes
1595. Disk Scale Length Help
1596. Why eccentric orbits?
1597. question
1598. Armchair cosmology
1599. magnetic fields
1600. Newbie question about inflation
1601. Expanding universe.
1602. Solar Flares
1603. Another possible crisis for the standard cosmological model?
1604. neutron stars: good short article
1605. Interpreting spectra
1606. Why all the hot Jupiters?
1607. So what is the consensus now?
1608. Black holes 'do not exist'
1609. Astronomers photograph extra-solar planet
1610. The sun, galaxy, universe.
1611. The most complex extraterrestrial molecule
1612. Is space really expanding?
1613. Axis of evil by Magueijo
1614. Failure of Friedmann equation?
1615. Do Laws Affect Constants?
1616. Space Time in a smaller scale.
1617. Quick Question...
1618. How to calculate age of universe with a certain redshift?
1619. Cosmology for dummies
1620. Dark matter = plasma?
1621. Dark matter particles
1622. Are black holes black afterall?
1623. Electric Planet?
1624. what fuels accelerating expansion of our universe
1625. Are Planets Around Stars...
1626. New overview of cosmology for Ashtekar's book
1627. Does Mars have it's own calendar yet?
1628. Atmospheric Pressure determined by?
1629. Question regarding accellerating expansion of the universe.
1630. Your Definition Of An Earth-Like Planet?
1631. Hubble length?
1632. Density of space
1633. Expanding Universe Question
1634. Waves in Space!!!
1635. oh great, unmoderated alien communications
1636. energy come from other system
1637. does the big bang imply a finite universe
1638. Created 2nd big bang?
1639. Would Different Laws Of Physics Affect Gravity?
1640. Let me make sure of something?
1641. Example, please?
1642. Orientation of Orbiting Planets
1643. Need Term for a Star and Its Associated Bodies
1644. Oral Ideas:(
1645. Angular momentum of galaxy disks
1646. Alternating planetary phase layers
1647. Dyson sphere
1648. Spectrometer sensitivity
1649. cosmological vs Doppler redshift
1650. No Moon :(
1651. Dark Matter & Energy/Mass of False Vacuum
1652. Non-carbon based life-forms?
1653. internet based telescopes
1654. Relation between Mass and distance between two objects
1655. Astronomy Comic
1656. More exoplanet equation problems :/
1657. Is it safe to assume that Earth-like planets are the best...
1658. Naked singularity
1659. Other side of Moon
1660. astronomy project
1661. The Sun, The Earth, Light.
1662. Two spheres and three spheres
1663. First Stars - How big - Now Black Holes?
1664. I saw an article in New Scientist...re CBR
1665. Astrophysics Scientific Research
1666. Zero Point Energy
1667. Voyagers - - you're fired!?
1668. What is in the strange point?
1669. Speed of light...
1670. Gravitational waves
1671. Heat Death
1672. What happends to light before it reaches us?
1673. Our Place in the Universe
1674. Which one is the better?
1675. Cosmic inflation - inflatons?
1676. What exactly is it being bent by gravity?
1677. Intensity and flux ..
1678. Universe's wall?
1679. Flatness problem?
1680. Detection of Black Holes
1681. How Persistent Is Life?
1682. dark energy = dark matter*speed of light squared?
1683. Questions for a college student in astro.
1684. Dark matter galaxies, stars and planetoids
1685. The shrinking universe
1686. How did globular clusters get their properties?
1687. galaxies
1688. Black Hole Event Horizon
1689. Online undergraduate reading resource for Astrophysics request
1690. Io spectroscopy
1691. Few questions about universe
1692. biggest star size (new paper)
1693. A few sci-fish queries
1694. Unreasonable aim of the Creator?
1695. a search for traces of cosmic string didnt find much
1696. Pressure at center of planet
1697. flat universe
1698. Virgo problem for MOND
1699. SciAm Lineweaver cosmology article, March issue
1700. Astronomy is the oldest of the physical sciences
1701. Quick Question...Need Quick Answer
1702. A probable galaxy at z=7
1703. Local Pristine Primordial Material
1704. New radio emmiting astronomical body ?
1705. time to take a little test
1706. 9 Gy old galaxy?
1707. gravity between earth and moon
1708. Where did the energy in the CMB go to?
1709. Lack of humans onboard shuttles
1710. measuring distance from stars
1711. Why is our galaxy planar?
1712. Should globular clusters exist?
1713. When stars collide!
1714. Ahad radius - where the Sun loses its supremacy
1715. How do Gravitons escape from a Black Hole?
1716. Need Help Quickly! Finding the distance and positions of stars
1717. Nearby newborn galaxies
1718. Leaking gravity?
1719. Crisis in cosmology!
1720. CMB anisotropy - new paper
1721. Higgs ocean, dark energy and quantum fluctuations: related manifestations?
1722. Could Other Universes....
1723. Send Your Name to Pluto!
1724. Maximum Mass
1725. Mass in black hole?
1726. Can we please look for 'New Earth' at Alpha Centauri?
1727. Shape of the Universe
1728. Interstellar propulsion island hopping the Oort cloud
1729. Black holes bend light the wrong way
1730. why are the theoretical and measured sizes/ages of the universe so similar?
1731. model used for exoplanet data
1732. A redshift derivation question
1733. Cyclical universe
1734. What Is Needed To Make An Intelligent Species?
1735. How is exoplanet mass found by astrometry?
1736. Starless Galaxies?
1737. New MOND papers.
1738. What is cosmology
1739. Astronomy & Cosmology
1740. The age of the universe: easy question - hard answer
1741. Why study Astronomy?
1742. Accelerated expansion: is the jury still out?
1743. An interesting journal....
1744. A body intermediate to stars and galaxies
1745. what are gravity waves?
1746. itty bitty radio telescope?
1747. Let's think...crack u'r brain with this qn//.
1748. Cosmological Principle
1749. Brightest Explosion Ever Observed
1750. Crisis in Cosmology?
1751. A "Weyl" theory of dark matter
1752. "Einstein Legacy" in Science magazine
1753. Pioneer Anomaly
1754. Is the Andromeda Galaxy going to collide with the Milky Way?
1755. how do we know what the sun is made of?
1756. Evidence of life found on Mars
1757. mars
1758. Average luminosity of night sky vs frequency....
1759. Cosmological Model: universe homogenously full of black holes
1760. Pluto Puzzle...
1761. Titan sugar
1762. meteor train
1763. Maggie Turnbull's HabCAt ?
1764. help with planetary temp. equation
1765. New Exo-planet Discovered
1766. Over density of galaxies at z=5.9
1767. Solar Data
1768. Boarder of universe
1769. how do we....
1770. Infinite Energy?
1771. A Universe That Is More Life-Producing?
1772. what is M theory?
1773. Galaxy red shift survey
1774. Moons with moons
1775. Do quantum fluctuations bounded above correspond to those bounded below?
1776. the biggest stars
1777. GoldBarz asks: wd laws work in different dimens. universe?
1778. On recent dark matter founding
1779. Hubble Bubble...
1780. Hubbles's law and the Dark Energy Component
1781. The big splat theory
1782. String Theory
1783. The predictions it makes don't agree with reality. Enough said
1784. keeping up the craziness factor
1785. shuttle to replace Columbia
1786. Are "Branes" = Universes?
1787. andromeda.
1788. is it smart
1789. I have a Question about the big bang theory
1790. In The Future...Beyond The Dark Era
1791. Life Improbable In 4D+ Universes
1792. post-supernova
1793. CMB, Sky Surveys, & Computational Cosmology
1794. is astronomy hard for nothing?
1795. [SOLVED] Little orbits?
1796. Universal Translator needed?
1797. A little-scale survey
1798. Baryonic DM?
1799. The sun
1800. Black Hole: Infinite Density, Infinite Buoyancy?
1801. question ?
1802. Long Lost Star Catalog Found in Plain Sight
1803. Super-galactic plane
1804. Can we find....
1805. earth's axis
1806. black hloes = "missing mass"?
1807. Antimatter in Universe
1808. More questions than answers
1809. another cosmological model
1810. clarification?
1811. Hubble fix-up funds cut (MSN 21 Jan)
1812. tilt of earths axis
1813. Is the Universe Losing Mass?
1814. Is dark energy needed in a perturbed universe.
1815. Does an infinite universe always repeat its parts?
1816. end of a black hole
1817. Oh and one more question
1818. Antimatter in space?
1819. world year of physics
1820. Still Going
1821. Van Allen belt
1822. Cosmic Rays 101. Confused.
1823. Universe expansion
1824. Space travel.
1825. Measuring the rotation speed of Io
1826. ET Visitors: Scientists See High Likelihood
1827. What was before the big bang ?
1828. 'Deep Impact' Impact...
1829. a little math problem...
1830. doppler effect and color of stars
1831. Question about the "edge of the universe"
1832. Where are the solar systems like our own?
1833. Successful launch of Deep Impact!
1834. Huygens office pool
1835. Neutrino Telescopes
1836. Giant Galactic Blobs!
1837. apogee and perigee
1838. Astronomers reveal biggest stars yet seen
1839. Question about the Horizon Problem
1840. We'll find ET in < 20 years
1841. Query about Black Holes
1842. What is a main sequence?
1843. Black hole gravity
1844. our moon
1845. black hole compostion
1846. The largest explosion ever seen in space
1847. Big Bang and Energy
1848. A universe before the big bang
1849. Neutron Star matter?
1850. simple question (NGC, M)
1851. Theory or Fact
1852. Cassini mission discoveries
1853. gravitational energy
1854. Varying Expansion Rates for Solar System..
1855. SETI: look for hydrogen bond maser signals
1856. Testing cosmology, without assuming GR?
1857. Plasma redshift
1858. I want to see the Milky Way
1859. Bekenstein's rival to Dark Matter
1860. Who Told ME??
1861. What causes gravity?
1862. What causes Big Bang?
1863. Machholz
1864. Eclipse of the Planets
1865. Friday the 13th, 2029? The odds of impact
1866. Titanic Titan...
1867. Why not anticlockwise?
1868. clarification
1869. Is our Solar System a large Atom?
1870. Lisa