Useful english dictionary. 2012.
BL Lac object — A BL Lacertae object or BL Lac object is a type of active galaxy with an active galactic nucleus (AGN) and is named after its prototype, BL Lacertae. In contrast to other types of active galactic nuclei, BL Lacs are characterized by rapid and… … Wikipedia
BL Lac object — noun a type of active galaxy with an active galactic nucleus (AGN), named after its prototype, BL Lacertae Syn: BL Lacertae object … Wiktionary
bl lac object — noun see bl lacertae object … Useful english dictionary
Blazar — A blazar is a very compact and highly variable energy source associated with a presumed supermassive black hole at the center of a host galaxy. Blazars are among the most violent phenomena in the universe and are an important topic in… … Wikipedia
Lacerta — Infobox Constellation name = Lacerta abbreviation = Lac genitive = Lacertae symbology = the Lizard RA = 22.5 dec= +45 areatotal = 201 arearank = 68th numbermainstars = 5 numberbfstars = 17 numberstarsplanets = 1 numberbrightstars = 0… … Wikipedia
BL Lac — can mean two things: *BL Lacertae, an active galaxy, prototype of the BL Lacertae objects *BL Lac object, a type of active galaxy, based on the prototype BL Lacertae galaxy … Wikipedia
Telescopio MAGIC — MAGIC significa Major Atmospheric Gamma ray Imaging Cherenkov Telescope, o sea Telescopio de rayos gamma por emisión de radiación Cherenkov en la atmósfera . Está localizado en el Observatorio del Roque de los Muchachos en La Palma (Islas… … Wikipedia Español
Markarian 421 — Hubble Legacy Archive WFPC2 image of Mark 421 and its companion galaxy 421 5 Observation data (Epoch J2000) Constellation … Wikipedia
Coma Berenices — For other uses, see Coma Berenices (disambiguation). Coma Berenices Constellation List of stars in Coma Berenices Abbreviation Com Gen … Wikipedia
NGC 6251 — Галактика … Википедия
