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Hal'ley's com'et



Pronunciation: (hal'ēz or, sometimes, hā'lēz), [key]
—n.
a comet with a period averaging 76 years. In this century it was visible to terrestrial observers just before and after reaching perihelion in 1910 and again in 1986.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Halleyhalliard
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