The earth travels through space at 660,000 miles per hour.
189
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Buzz Aldrin’s mother’s maiden name was Moon.
9