In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
If two pieces of metal touch in space, they become permanently stuck together.
808
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
There are two golf balls sitting on the moon.
721
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121