Astronauts cannot burp in space.
232
The earth is .02 degrees hotter during a full moon.
157
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The population of the Earth has more than doubled since 1950.
151
Today's top fuel dragsters take off with more force than the space shuttle.
120
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The heart of an astronaut actually gets smaller when in outer space.
216