The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Pluto is smaller than Russia.
9
Astronauts get taller when they are in space.
224
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121