The earth travels through space at 660,000 miles per hour.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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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.
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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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