Only 55% of Americans know that the sun is a star.
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The sun is 330,330 times larger than the earth!
190
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.
13
Mars had an oxygen-rich atmosphere around 4 billion years ago
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The earth rotates more slowly on its axis in March than in September.
145
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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