Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Today's top fuel dragsters take off with more force than the space shuttle.
120
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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
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 sun puts out more power in 1 second than mankind has ever used within human existence.
14
Buzz Aldrin’s mother’s maiden name was Moon.
9
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8