Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The light hitting the earth right now is 30 thousand years old.
163
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If two pieces of metal touch in space, they become permanently stuck together.
808
Summer on Uranus lasts for 21 years.
358
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219