Sun = Moon (relatively speaking)

The sun has a diameter of 1,391,980 kilometers, 109 times as big as the Earth. sunThe moon has a diameter 3,475 kilometers, a quarter that of the Earth, 1/436th that of the sun. moonAnd yet, in our sky, they are exactly the same size.*

Solar eclipse

Solar eclipse, November 13, 2012

What’s it mean?

*Thanks to David Grinspoon for this observation in Lonely Planets.

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