According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
Sound doesn't travel in space.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If NASA sent birds into space they would soon die; they need gravity to swallow.
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