The Earth gets 100 tons heavier every day due to falling space dust.
673
The light hitting the earth right now is 30 thousand years old.
163
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
The earth travels through space at 660,000 miles per hour.
189
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9