Some asteroids have other asteroids orbiting them.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Astronauts get taller when they are in space.
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Buzz Aldrin’s mother’s maiden name was Moon.
9
Only 55% of Americans know that the sun is a star.
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