There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Summer on Uranus lasts for 21 years.
358
Astronauts get taller when they are in space.
224
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
If two pieces of metal touch in space, they become permanently stuck together.
808
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121