The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The heart of an astronaut actually gets smaller when in outer space.
216
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10