Build your own Terrestrial Planet: Physical Characteristics
In which I show you how to construct terrestrial planets: Earth-like worlds, Ocean Planets and Super Mercuries.
Build your own Dwarf planet: http://goo.gl/w7BiCg
Build your own Gas Giant: http://goo.gl/KQ9cuN
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Equations used in this video:
Planet maker: G = M/R^2 = R(P)
Escape Velocity = sqrt(M/R)
(G = Gravity relative to earth
M = Mass relative to earth
R = Radius relative to earth
P = Density relative to earth)
Circumference = 2piR
Surface Area = 4piR^2
Volume = 4/3piR^3
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Habitable planets for man: http://goo.gl/2zjpdU
Graph: http://arxiv.org/abs/0707.2895