The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121