Sound doesn't travel in space.
255
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Today's top fuel dragsters take off with more force than the space shuttle.
120
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The earth rotates more slowly on its axis in March than in September.
145
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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