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.
5
The Earth gets heavier each day by tons, as meteoric dust settles on it.
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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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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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There are two golf balls sitting on the moon.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Jupiter's moon Ganymede, is larger than the planet Mercury!
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The earth travels through space at 660,000 miles per hour.
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