Astronauts get taller when they are in space.
224
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Lightning strikes about 6,000 times per minute on this planet!
158
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
It takes eight and a half minutes for light to get from the sun to earth.
159
A comet's tail always points away from the sun.
2
It 'snows' metal on Venus.
13