Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
A comet's tail always points away from the sun.
2
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Today's top fuel dragsters take off with more force than the space shuttle.
120
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18