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.
Primates in the New World tend to be small-bodied compared to those elsewhere.
This modified model of Easton’s systems theory puts government decision makers as the source of pol
Embryos Compared
Planet Earth compared to all its water and air!
Orbital Motion of Earth and Other Planets
Social scientists have not done well at devising theories to explain lovely romantic moments