The moon is 400 times smaller than the sun , butit is also 400 times closer to Earthso from Earth, the moon and the sun look about the same size.
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If you attempted to count to stars in a galaxy at a rate of one every second it would take around 3,000 years to count them all.
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Approximately 109 planet Earths would fit on the surface of the sun and more than one millionplanet Earths would fit inside of the sun.