Summer on Uranus lasts for 21 years.
358
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Buzz Aldrin’s mother’s maiden name was Moon.
9
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The earth rotates more slowly on its axis in March than in September.
145
Earth is the only planet in our solar system that's not named after a god or goddess.
17