In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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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
The earth travels through space at 660,000 miles per hour.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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