There are two golf balls sitting on the moon.
721
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The light hitting the earth right now is 30 thousand years old.
163
The Earth gets 100 tons heavier every day due to falling space dust.
673
Astronauts get taller when they are in space.
224
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82