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
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If two pieces of metal touch in space, they become permanently stuck together.
808
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
There are two golf balls sitting on the moon.
721
Summer on Uranus lasts for 21 years.
358