Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
If two pieces of metal touch in space, they become permanently stuck together.
808
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Some asteroids have other asteroids orbiting them.
131
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
It would take more than 150 years to drive a car to the sun.
569