Way Off facts · 🌍 Planet Earth
How many grains of sand are on all the beaches of Earth?
7.5 quintillion
grains
7,500,000,000,000,000,000 exactly, give or take
7.5 quintillion. And there are still more stars in the universe than grains of sand.SOURCEUniversity of Hawaii
Scale check: 7.5 quintillion is roughly seconds in 32 billion years — older than the universe.
Would you have guessed? You'll be way off.
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