A comet's tail always points away from the sun.
2
Sound doesn't travel in space.
255
If two pieces of metal touch in space, they become permanently stuck together.
808
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Jupiter is bigger than all the other planets combined.
254
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
It takes eight and a half minutes for light to get from the sun to earth.
159
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115