There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
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The earth rotates more slowly on its axis in March than in September.
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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Astronauts get taller when they are in space.
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The sun is 330,330 times larger than the earth!
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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