The extreme sport of jumping out of an airplane and falling through the sky before opening a parachute to land safely.
A compound word combining 'sky' (Old English 'sceo') and 'dive' (from Old Norse 'dúfa'), this modern sport's terminology emerged in the 1950s when the activity became popular.
Skydiving is one of the few human activities where you experience true weightlessness for several minutes—your body isn't actually floating, but gravity is accelerating you and the air around you equally, creating that stomach-flipping sensation.
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