What is the moon's mass and density? Also how was it named, and what's it's gravity?
The
moon's mass is approximately 7.35e22 kg with a density about 3/5 that of
Earth. It's gravitational pull is about 1/6 of Earth's.
As for her name, Luna was the Roman goddess of the moon. As for the word moon, its roots can betraced through the Middle English mone, from the Old English mona, back to the Latin mensis which means month.
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