Meaning Halley
What does Halley mean? Here you find 2 meanings of the word Halley. You can also add a definition of Halley yourself
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HalleyThe most famous periodic comet. Its aphelion is beyond the orbit of Neptune, but it returns to the inner Solar System every 76 years. Named after the 17th century British scientist, Edmond Halley, who first recognised its regular pattern of reappearances. Studied by a fleet of spacecraft during its 1986 apparition, including ESA's Giotto.
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Halley(n) English astronomer who used Newton's laws of motion to predict the period of a comet (1656-1742)
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