Only 55% of Americans know that the sun is a star.
986
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
The Earth gets 100 tons heavier every day due to falling space dust.
673
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124