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 gets 100 tons heavier every day due to falling space dust.
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The sun puts out more power in 1 second than mankind has ever used within human existence.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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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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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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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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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.
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