41% of the moon is not visible from earth at any time.
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Lightning strikes about 6,000 times per minute on this planet!
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The sun is 330,330 times larger than the earth!
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
It takes eight and a half minutes for light to get from the sun to earth.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13