A comet's tail always points away from the sun.
2
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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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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14