The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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Astronauts get taller when they are in space.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The Earth gets heavier each day by tons, as meteoric dust settles on it.
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The sun puts out more power in 1 second than mankind has ever used within human existence.
14
Summer on Uranus lasts for 21 years.
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More than 20 million meteoroids enter Earth's atmosphere every day.
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