The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
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
41% of the moon is not visible from earth at any time.
103
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A comet's tail always points away from the sun.
2