Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Venus is the only planet that rotates clockwise.
310
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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Only 55% of Americans know that the sun is a star.
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