In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
It 'snows' metal on Venus.
13
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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.
14
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Lightning strikes about 6,000 times per minute on this planet!
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