0 Question: how big is the moon? Keywords: moon, size, space Asked by jeaton to Daphne, Cathal, Darren, Jon, Katherine on 13 Mar 2012. This question was also asked by stephthegreat.
Darren Logan answered on 13 Mar 2012:
The moon is about a quarter the diameter of the earth (about 3474 km) and 1/81 its mass.
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