Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Sound doesn't travel in space.
255
The earth travels through space at 660,000 miles per hour.
189
Pluto is smaller than Russia.
9
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
There are two golf balls sitting on the moon.
721
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16