Answer to Question 1
Airless bodies develop where solar heating is strong and/or gravities are weak. Simply stated, small warm bodies have a better chance of losing their atmospheres because gas molecules are more energetic and need less speed to escape their weak gravities.
Answer to Question 2
The Moon originated from the impact of a large planetary body colliding with early Earth and tearing out a large chunk of molten Earth material that cooled within orbiting range and was kept within orbiting range by gravity.
Oviparity in terrestrial animals.
Planets and Their Stars
Inflated Phrases Compared with Concise Terms Cont
E9-23 Prepare income statements Explain the difference in operating income
Explain how it can be desirable from an intertemporal perspective for a country run a current ...
Planets