If two pieces of metal touch in space, they become permanently stuck together.
808
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A comet's tail always points away from the sun.
2
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221