Some asteroids have other asteroids orbiting them.
131
The light hitting the earth right now is 30 thousand years old.
163
A comet's tail always points away from the sun.
2
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The Earth gets 100 tons heavier every day due to falling space dust.
673
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46