Our Moon is the only satellite in the solar-system with a nearly perfect fit over the Sun: the diameter of the Moon is 400 times smaller than the diameter of the Sun, but it is also 400 times closer to us. It’s due to this remarkable coincidence that we see total solar eclipses. via /r/spaceporn https://ift.tt/34qbF3B
from Tumblr https://ift.tt/2IUnXsC
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