Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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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.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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The heart of an astronaut actually gets smaller when in outer space.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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