Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
A comet's tail always points away from the sun.
2
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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