It 'snows' metal on Venus.
13
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
The light hitting the earth right now is 30 thousand years old.
163
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Only 55% of Americans know that the sun is a star.
986
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178