Formaldehyde (H2CO) is known to be common in interstellar space. a) Could the Moon (the Earth’s...

Formaldehyde (H₂CO) is known to be common in interstellar space.

a) Could the Moon (the Earth’s satellite) have retained this gas? Use the simple theory
for the average surface temperatures of the planets to calculate the surface tempera-
ture of the Moon, assuming it is only heated by sunlight. The albedos for the Earth
and the Moon are A? = 0.36 and A = 0.07, respectively.
b) Under the same assumptions, could Saturn’s satellite Mimas have retained formalde-
hyde? For Mimas, the radius is R ~ 200 km, the mass is 4×10²² gm, and the albedo
is A_Mimas = 0.5.

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genius_generous answered 2 years ago

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