41% of the moon is not visible from earth at any time.
103
It takes eight and a half minutes for light to get from the sun to earth.
159
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Some asteroids have other asteroids orbiting them.
131
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The population of the Earth has more than doubled since 1950.
151