It's 277 miles long, it's up to 18 miles wide, it's 6 million years old & at a given time temperatures within it can vary by 25 degrees
It's 277 miles long, it's up to 18 miles wide, it's six million years old and at a given 
time temperatures within it can vary by 25 degrees.... [DOC] [TLE] Moon - Wikiversity [PAR] The Moon's average radius (distance from its centre to its surface) is 1,737.4 km), 
... the force due to gravity at the lunar surface is only about 1/6 of that on Earth.