General Astronomy

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Pinned: Classic Papers in Astronomy and Cosmology ( 1 2) SpaceTiger	Nov28-12 01:12 AM stargazer3	17	30,968
Pinned: Planning to buy a first telescope? ( 1 2 3 4 ... Last) turbo	Feb26-13 09:59 AM Chronos	219	60,395
Pinned: A&C reference library ( 1 2 3 4 ... Last) Phobos	Apr10-13 11:08 AM marcus	139	73,381
Pinned: Astronomy events schedule ( 1 2 3 4 ... Last) Phobos	May17-13 09:51 PM davenn	271	87,509
Pinned: Astrophotography ( 1 2 3 4 ... Last) Phobos	May22-13 11:35 AM Thomas1989	463	125,675
If the moon was twice as far away from the earth as it actually is, how would tides b C kay89	Oct18-10 01:11 PM nickthrop101	11	6,761
Understanding Wanning Crescent. nukeman	Oct18-10 09:00 PM nukeman	4	1,628
Question about Phases of the Moon. Thanks! nukeman	Oct18-10 09:38 PM Archosaur	13	1,828
Black holes giving birth to stars? discord73	Oct19-10 07:28 PM Mu naught	1	1,388
Is Earth’s orbit far from circular? nukeman	Oct20-10 02:27 AM Borek	1	986
telescopes :) nickthrop101	Oct20-10 02:31 AM Chronos	3	827
Question about Objects in Ultra Deep Field AdkinsJr	Oct20-10 02:37 AM Chronos	3	1,248
Question about having a "Theory" in astronomy. ? nukeman	Oct20-10 02:41 AM Chronos	16	2,028
Greenwich Mean Timt, GMT and Universal Coodinated Time, UT Philosophaie	Oct20-10 02:48 AM Chronos	2	1,259
Searching for a telescope. procq	Oct20-10 02:53 AM Chronos	4	940
Elliptical galaxies clash TrickyDicky	Oct20-10 03:14 AM TrickyDicky	2	1,184
Calculating the Earth-Sun distance during perihelion nukeman	Oct20-10 08:04 AM cepheid	9	4,346
Pictures I took at a 2.5m telescope in the Canary Islands kungfuscious	Oct20-10 10:01 AM turbo	1	939
Question about ellipses described in the two-body problem NR pc2-brazil	Oct20-10 02:52 PM pc2-brazil	0	853
Is this angular size calculation correct? nukeman	Oct20-10 05:39 PM tiny-tim	1	1,289
Astronomers Say They've Found Oldest Galaxy So Far NR diogenesNY	Oct20-10 06:03 PM diogenesNY	0	1,389
*Quick moon question - (about orbit) nukeman	Oct20-10 11:21 PM NobodySpecial	6	1,331
What topics would be covered in an ideal astronomy/astrophysics high school course? kungfuscious	Oct21-10 04:28 AM kungfuscious	8	2,949
Ion spacecraft sidles up to Vesta NR marcus	Oct23-10 01:29 PM marcus	0	1,652
Type I Cepheid Desmos	Oct23-10 02:11 PM Desmos	2	2,462
Water in moon ejecta plume (Lcross report 22 Oct.) marcus	Oct24-10 04:39 PM chemisttree	2	1,598
something regarding sun 2rashmi1993	Oct25-10 06:56 AM Nik_2213	4	1,384
Taking picture of stars from weather balloon Space_launch	Oct27-10 02:42 AM Ich	2	3,315
Resolving power sbarb25	Oct27-10 03:37 AM Chronos	2	2,303
Simple Astronomy questions - Need nukeman	Oct28-10 01:44 AM Gaius Baltar	8	2,457
Multiple gravity sources Lonewolf27	Oct28-10 07:40 PM RocketSci5KN	9	1,749
Calculating position in space? chis	Oct29-10 08:32 AM Phobos	2	1,020
Suddenly Moonless Earth scifi5	Oct29-10 08:54 AM Phobos	8	1,894
Conversion of units (tangential velocity) rbnphlp	Oct31-10 05:35 PM Integral	2	2,469
Hollow Moon Chimps	Nov1-10 01:09 AM Chronos	10	7,672
manned missions or colonization of the gas giants. Dremmer	Nov1-10 07:57 AM Nik_2213	5	1,939
How can you tell that a planet in another star system is tidally locked? ladr0n	Nov1-10 12:18 PM Algr	7	2,586
Question about monitoring radio waves/frequencies in space. nukeman	Nov2-10 11:09 AM NobodySpecial	1	1,848
Quick - Need to pick between 2 telescopes - Whats better? nukeman	Nov2-10 04:40 PM turbo	9	1,353
Book Research, Astronomical Justification for Plot Device john.andrews	Nov3-10 03:36 AM twofish-quant	6	1,651
Viewing milky way rajatgl16	Nov3-10 05:49 AM rajatgl16	3	1,333
Earth's orbit rajatgl16	Nov3-10 07:20 AM D H	7	2,404
Before the beginning... ( 1 2) 3.14159265	Nov3-10 09:38 AM Radrook	19	3,340
Is it possible that......(re: earth and moon) nukeman	Nov3-10 04:41 PM Silverhill	2	987
Asteroid Hits Moon / Breaks it up: Paul Magill	Nov3-10 04:47 PM Silverhill	1	4,059

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