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HELPFUL DESCRIPTIONS. a : semimajor axis For elliptical orbits, the semimajor axis is half the length of the...
May2-10 02:49 PM
Jenab6
45 68,031
To help me in understanding this procedure, I read the fifth chapter of THE DETERMINATION OF ORBITS by A. D. Dubyago,...
Apr22-12 12:10 PM
Drakkith
20 45,389
About gamma radiation bursts What if the bursts we observe are the light equivalent of a sonic boom? The energy...
Feb15-06 07:13 AM
Nereid
1 1,458
Theorically speaking, what force could stabilize a wormhole?
Feb15-06 07:17 AM
Nereid
2 1,398
i want to know what exactly happens when two black holes collide. in detail.
Feb15-06 09:04 AM
Stingray
4 1,710
Soon earth bound problems will curtail all asto physical experimentation, funding will be cut to next to nothing,...
Feb15-06 03:47 PM
DaveC426913
2 2,045
Try talking about astro phys to *the man in the street*, and there is no interest whatsoever, how can this be...
Feb16-06 08:43 AM
DaveC426913
3 1,338
ok, some stuff doesnt make sense to me, so i'll just sum up all i know... maybe it will clear things up, and i'll mark...
Feb16-06 11:08 AM
franznietzsche
1 1,634
The passage below is quotted from wikipedia: "The cycle between one maximum elongation and the next lasts 584 days....
Feb16-06 11:02 PM
Creator
1 6,971
Hi everyone, How much of CS do astronomers need? What kinds of computer programs do they need to be proficient at?...
Feb23-06 01:43 AM
Spacias
3 2,458
http://arxiv.org/abs/hep-ph/0602187 Authors: Edward A. Baltz, Marco Battaglia, Michael E. Peskin, Tommer Wizansky...
Feb23-06 10:55 AM
wolram
0 1,244
http://arxiv.org/abs/astro-ph/0602377.
Feb23-06 01:19 PM
George Jones
6 2,466
I assume it is a sphere with "handles" stretching out from the side - somewhat like a galaxy as that is where I have...
Feb27-06 04:30 PM
SpaceTiger
3 3,770
Hi, This is my first post and I am truly perplexed. I am reading principia in a class and it seems that newton has...
Feb28-06 08:55 AM
emstone
1 2,036
Here's the idea: As one approaches the event horizon of a black hole, gravity increases, and time slows. The...
Mar4-06 02:56 PM
Janus
10 7,309
Given the right ascension and declination of two objects in the sky. Is there a way to calculate the angle between...
Mar5-06 01:47 PM
Zaphodx57x
2 1,884
A Shocking Surprise in Stephan's Quintet The Spitzer Telescope views Stephan's Quintent. I remember reading a...
Mar6-06 06:52 AM
Labguy
7 1,257
String theory and black holes... Hi all, I have a question relating the linking of string (and M-theory) with...
Mar8-06 10:58 AM
RyanJ
3 1,289
hi can the bolometric correction be calculated if all i know of a cepheid variables properties are its period? for...
Mar10-06 07:13 AM
Labguy
4 3,068
I do not understand why Globular clusters, with ages around 10 Gigayears, are so metal poor. Their stars are surely...
Mar12-06 05:04 AM
Soul Surfer
14 2,266
I have been doing some thinking about the collapse process inside a rotating black hole. (I think that the probability...
Mar12-06 05:54 AM
Soul Surfer
9 1,854
I was wondering if there is any info on the frequencies of individual galaxies?
Mar13-06 02:06 PM
chroot
7 1,384
http://science.nasa.gov/headlines/y2006/10mar_stormwarning.htm?list862664 Is there anyway to observe this without...
Mar13-06 07:13 PM
chroot
5 1,734
Hi all. New guy here. I signed up for this forum for the specific purpose of asking this, since I can't reconcile the...
Mar14-06 08:47 AM
Fallguy
7 2,594
http://arxiv.org/abs/nucl-th/0603028 Authors: D.H.E.Gross Comments: 7 pages, 1 figure, presnted at XILV internat....
Mar14-06 11:35 AM
wolram
0 1,170
Obivously, the direction of the rotation of a Spiral Galaxy depends on the vantage point from which you look at it. ...
Mar14-06 05:16 PM
chroot
6 3,236
Ok this is kind of a weird question...but: Assuming that something on earth that is not moving is still in...
Mar14-06 08:06 PM
pallidin
8 1,516
As I understand it, it's all atomic material in the accretion disk of a big black hole, with very high orbital...
Mar16-06 02:57 PM
SpaceTiger
2 2,088
How does one compute the tidal locking radius of say a planet on a putative moon its area? Is there a formula?...
Mar17-06 06:31 PM
rieman zeta
2 3,471
excellent websitehttp://www.solstation.com/x-objects/first.htm According to the site, WMAP's results show that the...
Mar21-06 12:10 PM
SpaceTiger
6 1,510
Hi, what is the highest redshift observed for any 'object' in the Universe? Also, is the Abell-lensed 'object'...
Mar21-06 01:02 PM
SpaceTiger
10 4,174
To all: By memory I have seen in the literature the factor 1/6 when analytically discussing the retention of a...
Mar21-06 01:08 PM
SpaceTiger
3 2,252
I read this recently, but did not understand how one calculates this, since I'm used to: Distance = Recessional...
Mar21-06 08:20 PM
pervect
8 3,827
I've seen images of space many times in the media. Do the images that we see acurately depict the universe? Or are...
Mar22-06 01:24 AM
Chronos
5 1,844
I'm building a spacecraft attitude control simulation and I'm looking for some references to help me build a realistic...
Mar22-06 07:43 PM
jfelrod1960
2 3,321
Does anybody know if it is even possible for a planetary moon to have a moon of its own orbiting it?
Mar23-06 12:48 AM
Chronos
4 1,744
i want to know, do we have a physics of this undefined term? as far as i can tell, the hypthesis is that dark matter...
Mar23-06 03:41 PM
SpaceTiger
3 1,184
I remember my Astronomy teacher saying something to the effect that if you were in space and you had a book and you...
Mar26-06 08:47 AM
Labguy
10 6,459
Hello, I'm looking for some equations which describe the periodicity of sun's eclipse.
Mar29-06 02:48 PM
tony873004
1 1,538
I just came inside and I was wondering if any of you knew what that was? ...
Mar29-06 10:30 PM
Vincent Vega
0 1,092
i like astrophysics so much!!!! But have particular interest in blackholes and whiteholes and the big bang!!! In...
Mar30-06 01:24 AM
whiteholes
4 1,356
Supposing I started off with a particle, which I know exactly the state it is in, hence, it is in a pure state. And...
Mar30-06 03:24 AM
hellfire
6 1,431

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