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
nucleus of Halley's Comet (1P/Halley) reflects about four percent of the light that falls on it, and Deep Space 1 discovered that Comet Borrelly's surface
apparitions of a comet every 75.3 years were the same comet, it gave way to a new designation of periodic comets, with the first being named 1P/Halley. To date