More fun facts
See all 174 →A year on Mercury is just 88 Earth days long.
Open →Stars twinkle because their light bends as it passes through Earth's moving air.
Open →Your tongue print is unique, just like your fingerprint.
Open →Rainbows are actually full circles — we usually only see half because the ground gets in the way.
Open →Apples float in water because they are about 25% air.
Open →About 71% of Earth's surface is covered by water.
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