Summer on Uranus lasts for 21 years.
358
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
A comet's tail always points away from the sun.
2
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 heart of an astronaut actually gets smaller when in outer space.
216
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Some asteroids have other asteroids orbiting them.
131