41% of the moon is not visible from earth at any time.
103
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Sound doesn't travel in space.
255
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The light hitting the earth right now is 30 thousand years old.
163
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46