1P/Halley's Comet (disambiguation)

Sterling 1p coin, see Penny (British decimal coin) Halley's Comet official name of 1P/Halley One Piece a 1997 Japanese manga and anime Polonia 1, 1P, Polish

Halley may refer to: Halley's Comet, officially designated 1P/Halley, a comet that becomes visible from Earth every 75-76 years Halley (lunar crater),

associated with the discovery (e.g. Comet Hale–Bopp) or the first detailed study (e.g. Halley's Comet) of each comet. During the twentieth century, improvements