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Posted on: Saturn and it's Core
at 11/26/2009 1:52am

Gimme an "N"

Posted on: Saturn and it's Core
at 11/25/2009 4:19pm

Earth's and Sun's cores are nothing alike.
Inert form of energy that forms centrifugal force? When I hear the word ... more(+)

Earth's and Sun's cores are nothing alike.
Inert form of energy that forms centrifugal force? When I hear the word "inert" I associate it with chemical stability, so you'll have to elaborate on this one.

You could never make big enough bomb to give birth to a new star, if that's what you're suggesting.
Just one fragment of Shoemaker - Levy comet that struck Jupiter "was estimated to have released an energy equivalent to 6,000,000 megatons of TNT (600 times the world's nuclear arsenal)" as wiki puts it, and all it did was to create few ripples on the surface that soon died out.
If on the other hand you suggest burning (as a chemical reaction with oxygen) of planets, think again. Jupiter has only traces of oxygen, Saturn, Uranus and Neptune not even that. close(-)

Posted on: Earth's surface temperature since birth?
at 11/25/2009 4:03pm

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Posted on: Risky asteroid 2009 WM1
at 11/25/2009 3:59pm

MW, do these calculations include the Earth's gravity's effect on the orbit of the asteroid?
Anything coming that close ... more(+)

MW, do these calculations include the Earth's gravity's effect on the orbit of the asteroid?
Anything coming that close to a planet would surely have it's orbit shifted around, affecting every consecutive pass cumulatively, right?

BTW, how are speed and distance for a body with undefined geometry measured? Is Doppler usable on these distances and relative speeds, or it's just comparison of radar images taken from time to time? close(-)

Posted on: Atmospheres of solar system planets
at 11/25/2009 3:19pm

Well, wiki should be pretty reliable on this subject, also, it's a good starting point for further research.
You'll ... more(+)

Well, wiki should be pretty reliable on this subject, also, it's a good starting point for further research.
You'll find lot of links under External links
Also see the See also part for further reading. close(-)

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