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
Jupiter's moon Ganymede, is larger than the planet Mercury!
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One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The population of the Earth has more than doubled since 1950.
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