The heart of an astronaut actually gets smaller when in outer space.
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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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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It takes eight and a half minutes for light to get from the sun to earth.
159
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
41% of the moon is not visible from earth at any time.
103
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9