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Astronomy Fun Fact #61

Writer: Moiya McTierMoiya McTier

The Moon's physical diameter is ~2200 miles, but its angular diameter on the sky is ~0.5 degrees. If you hold your thumb out at arm's length, its angular diameter is ~1 degree. So the Moon is about half the size of your thumb held at arm's length.

 
 
 

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12 oct 2021

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