According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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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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It 'snows' metal on Venus.
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