If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Astronauts cannot burp in space.
232
It takes eight and a half minutes for light to get from the sun to earth.
159
The population of the Earth has more than doubled since 1950.
151
The sun is 330,330 times larger than the earth!
190
The earth travels through space at 660,000 miles per hour.
189
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194