quote:
Originally posted by apache:
Oh, and I still have no idea where you found that gravity is some function of density, because its absolutely untrue. It is a function of mass and distance only. This is related by the equation, a=GM/(r^2) where M is the mass of the planet in kilograms, r is the distance from the center of that planet in meters, and G is the univerersal gravitational constant, 6.672*10^-11. This gives you the acceleration due to gravity.
im with you on all your statements, and it really supports what i was thinking. i have to point out though, that you could derive density from mass and distance (although you could obviously not do it the other way around).
Re: Atmosphere
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