It 'snows' metal on Venus.
13
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Astronauts get taller when they are in space.
224
The heart of an astronaut actually gets smaller when in outer space.
216
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236