A comet that orbits the Sun about every 76 years. It was first recorded in 240 BC, was last seen in 1986, and is next due in 2061. Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited ...
Twitter Google Share on Facebook Halley's comet (redirected fromComet Halley) Encyclopedia Related to Comet Halley:Comet Hale-Bopp,Comet Kohoutek Hal·ley's comet (hăl′ēz, hā′lēz) n. A comet with a period of approximately 76 years. The first comet for which a return to the inner ...