There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The sun is 330,330 times larger than the earth!
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Jupiter is bigger than all the other planets combined.
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