Halley's Comet

Comets

Halley's Comet, officially designated 1P/Halley, is the only known short-period comet consistently visible to the naked eye from Earth. It returns to the inner Solar System roughly every 74 to 79 years, last appearing in 1986 and expected again in mid-2061. Its returns have been recorded since at least 240 BC. In 1986, spacecraft including ESA's Giotto studied the comet in detail, providing data on its nucleus, coma, tail, and surface.

Official designation: 1P/Halley
Return interval: Roughly every 74 to 79 years
Next appearance: Mid-2061

Sources and credits

Article: Halley's Comet (English Wikipedia)
Wikidata: Q23054
Text: Card text is adapted from the English Wikipedia article by an automated summary. Wikipedia content is available under CC BY-SA 4.0; see the article history for its contributors. CC BY-SA 4.0 · Article history and contributors
Illustration: By NASA/W. Liller. Public domain · File page on Wikimedia Commons
NASA/W. Liller, NSSDC's Photo Gallery (NASA): http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-comets.html http://nssdc.gsfc.nasa.gov/image/planetary/comet/lspn_comet_halley1.jpg
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