If two pieces of metal touch in space, they become permanently stuck together.
808
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Lightning strikes about 6,000 times per minute on this planet!
158
Venus is the only planet that rotates clockwise.
310
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10