An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Astronauts cannot burp in space.
232
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Sound doesn't travel in space.
255
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
It takes eight and a half minutes for light to get from the sun to earth.
159