An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
A comet's tail always points away from the sun.
2
Jupiter's moon Ganymede, is larger than the planet Mercury!
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
The heart of an astronaut actually gets smaller when in outer space.
216
If two pieces of metal touch in space, they become permanently stuck together.
808
Lightning strikes about 6,000 times per minute on this planet!
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