Summer on Uranus lasts for 21 years.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
If two pieces of metal touch in space, they become permanently stuck together.
808
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
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