An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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All of the Earth's continents are wider at the north than in the south - and nobody knows why.
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
More than 20 million meteoroids enter Earth's atmosphere every day.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
41% of the moon is not visible from earth at any time.
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