It may be that this question makes assumptions that are themselves invalid -- I am less than an amateur. But here goes.
Is there any easy way to determine how often Point 1 on Planet A and Point 2...
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Within the uncertainty of solar system models and their computation, what and when was the closest occurrence (in terms of solid angle) of the inner eight planets forming a radial alignment outward fr...
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First off, forgive me if this should have gone in the “Astronomy Events” sticky.
Long time reader… but hardly ever post.
I got this email today. It actually has been going on for some time now, ...
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Hi guys, help me.
I have a code for integrate the equations of motion of three bodies in a inertial frame, and in cartesian coordinates (x, y, z, vxi, vyi, vzi), i=1,2,3.
The question is, how can ...
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According to the standard cosmological model, the description for cosmic temperature falls is:T=A*t^-0.5. So when t-->infinite, T-->0.
It means the temperature of microwave background will ...
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Hey guys.
I was wondering, does the period of the Saros cycle stay the same across all time? for example, using the saros cycle could you accurately predict eclipse times thousands of years into the...
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Quote:...
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Water found on distant planet
from PhysicsWeb News at 17:01 PM GMT
An international team of astronomers has obtained the first convincing evidence of water in the atmosphere of a planet outside our ...
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http://galaxyzoo.org/ [http://galaxyzoo.org/]>
Heard about this on BBC Radio 4 this morning -- thought a few people on here may be interested but didn't know which forum it belonged in
e2a: htt...
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I just want to start off by saying that my knowledge of Astronomy (and physics, for that matter) is pretty limited, so please don't laugh too hard if I make an ass of myself.
I'm taking the first A...
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Hi folks,
I am hoping that some of you wonderful folks in here could help shed some light on this particular paper, it was a link that was given an another forum re: the redshift of light and ...
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Maybe i'm not understanding something here...
If the Big Bang caused this cosmic microwave background radiation to permeate through the universe, wouldn't this initial shockwave cause an outwa...
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I'm starting a new thread for the purpose of pointing a direction for some observing , I hope. There is a need I think for somebody to check the period/ luminosity function for Cepheid variables i...
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Hi all,
I have 25x80 binoculars, and viewing the sky from southern England I have seen great views of Jupiter over the last 2 nights.
The views I get are pretty good, seeing as I am living...
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I'm certain that BAUT is not my own personal army.
Yet I want to hear the debunkers remark upon this feature or photographic artifact from Iapetus.
Hopefully this won't get deleted or igno...
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During the Sydney concert yesterday little snippets of information about reducing carbon footprints and conservation etc where presented. During one of these it was explained that Global warming w...
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This is what I made of it.
A few hundred thousand years ago, our primate ancestors discover a perfectly formed black obelisk that could only be artificial. It foreshadows the existence of an ...
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Hello,
I really need help answering this question.
I know when low mass stars die, they become white dwarfs (if their mass is less than 1.4M).
But I don't know why the end points in the life ...
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Hello
I have purchased a Sky Watcher 650mm focal lenght and a 130mm diameter. It came with a *2 barlow lense and a 25mm wide angle and 10mm super plossl lense. I have also recently purchased a 4mm ...
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In August 2006, SPACE.com reported that a spectacular meteor shower might be in the offing late this summer In September 2007, the Earth is expected to pass very close to the center of a dust tra...
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I won't like to do a ditto copy of other book, but I would like to write a book on any of the following topic.
a. evolution of feather
b. the blue moon
c. Interiors of sun
Please guide...
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I was doubtful to know about a broad lightening on earth in the rainy season fall along with equal to the surface temperature of sun?
or this is not true? means the temperature of any single l...
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Hi folks, I just wanted to let you know that I've modified the forum so that ads only show to guests, not members. I'm not saying that ads won't ever return, but enjoy this for now.
So, this g...
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It looks like we need a new logo for the top of the forum. Are there any artists in the house that want to take a stab at it? We'd be most grateful. Somehow include our two logos as well as the &q...
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I've been getting a little tired of the vBulletin search engine, so I added the Google one as well. It's up at the upper right corner of the forum. You can search on any of our sites. I hope that ...
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