The earth rotates more slowly on its axis in March than in September.
145
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Venus is the only planet that rotates clockwise.
310
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If two pieces of metal touch in space, they become permanently stuck together.
808