The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If two pieces of metal touch in space, they become permanently stuck together.
808
Venus is the only planet that rotates clockwise.
310
Some asteroids have other asteroids orbiting them.
131
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
It takes eight and a half minutes for light to get from the sun to earth.
159