The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Venus is the only planet that rotates clockwise.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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41% of the moon is not visible from earth at any time.
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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.
20
Some asteroids have other asteroids orbiting them.
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