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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The earth travels through space at 660,000 miles per hour.
189
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Summer on Uranus lasts for 21 years.
358