A comet's tail always points away from the sun.
2
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
41% of the moon is not visible from earth at any time.
103
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Summer on Uranus lasts for 21 years.
358
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Sound doesn't travel in space.
255