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Space & Planets
Cosmic conversions across the solar system and beyond.
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Your Age on Other Planets
How old would you be on Mars, Jupiter, or Venus? Each planet has a different year length!
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Your Weight on Other Planets
How much would you weigh on the Moon, Mars, or Jupiter? Gravity differs across the solar system!
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Light Speed vs Everyday Distances
How far does light travel in a given time? Compare to everyday distances!
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Your DNA Stretched Out
If you uncoiled all DNA in your body, how far would it reach?
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Smartphone vs Apollo Computer
Your phone is millions of times more powerful than the Apollo Guidance Computer!