Gravity:
When Helium is cooled to absolute zero, it becomes a liquid that flows against gravity.
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To live in space for a year, you would have to consume 730 L of your own recycled sweat and urine.
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There's no "zero gravity" in space. Astronauts are in a constant state of free fall, which is why they appear to float.
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Pluto is smaller in diameter than the US.
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The atmosphere in Titan, Saturn's Moon, is so thick and the gravity so low, that humans can fly through it by flapping "wings" attached to their arms.
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The Sun makes up 99.86% of the Solar Systems mass.
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Only 5% of the universe is made up of normal matter. 25% is dark matter and 70% is dark energy.
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Unprotected exposure to outer space can kill a person in less than 30 seconds.
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According to the best estimate of astronomers, 275 Million new stars are born every single day.
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When Helium is cooled to absolute zero, it becomes a liquid that flows against gravity.
━━━━━━━━━━━━━
To live in space for a year, you would have to consume 730 L of your own recycled sweat and urine.
━━━━━━━━━━━━━
There's no "zero gravity" in space. Astronauts are in a constant state of free fall, which is why they appear to float.
━━━━━━━━━━━━━
Pluto is smaller in diameter than the US.
━━━━━━━━━━━━━
The atmosphere in Titan, Saturn's Moon, is so thick and the gravity so low, that humans can fly through it by flapping "wings" attached to their arms.
━━━━━━━━━━━━━
🚀
The Sun makes up 99.86% of the Solar Systems mass.
━━━━━━━━━━━━━
Only 5% of the universe is made up of normal matter. 25% is dark matter and 70% is dark energy.
━━━━━━━━━━━━━
Unprotected exposure to outer space can kill a person in less than 30 seconds.
━━━━━━━━━━━━━
According to the best estimate of astronomers, 275 Million new stars are born every single day.
━━━━━━━━━━━━━