The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221