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son of Daedalus in Greek mythology; he flew too high on artificial wings and so plunged to his death. Used allusively from 1580s. The name is of unknown origin.
A small asteroid with a highly eccentric, Earth-crossing orbit that takes it to within 30 million km (19 million mi) of the Sun, or closer than the planet Mercury. In 1968 Icarus approached within 6 million km (4 million mi) of the Earth. See more at asteroid.