There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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It takes eight and a half minutes for light to get from the sun to earth.
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Today's top fuel dragsters take off with more force than the space shuttle.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Only 55% of Americans know that the sun is a star.
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