The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Some asteroids have other asteroids orbiting them.
131
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
A comet's tail always points away from the sun.
2
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175