Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147