Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
If two pieces of metal touch in space, they become permanently stuck together.
808
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
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
It takes eight and a half minutes for light to get from the sun to earth.
159
The earth travels through space at 660,000 miles per hour.
189