Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Messier_87> ?p ?o }
- Messier_87 abstract "Messier 87 (also known as Virgo A or NGC 4486, and generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo. One of the most massive galaxies in the local universe, it is notable for its large population of globular clusters—M87 contains about 12,000 compared to the 150-200 orbiting the Milky Way—and its jet of energetic plasma that originates at the core and extends outward at least 1,500 parsecs (4,900 light-years), travelling at relativistic speed. It is one of the brightest radio sources in the sky, and is a popular target for both amateur astronomy observations and professional astronomy study.French astronomer Charles Messier discovered M87 in 1781, cataloguing it as a nebulous feature while searching for objects that would confuse comet hunters. The second brightest galaxy within the northern Virgo Cluster, M87 is located about 16.4 million parsecs (53.5 million light-years) from Earth. Unlike a disk-shaped spiral galaxy, M87 has no distinctive dust lanes. Instead, it has an almost featureless, ellipsoidal shape typical of most giant elliptical galaxies, diminishing in luminosity with distance from the centre. Forming around one sixth of M87's mass, the stars in this galaxy have a nearly spherically symmetric distribution, their density decreasing with increasing distance from the core. At the core is a supermassive black hole, which forms the primary component of an active galactic nucleus. This object is a strong source of multiwavelength radiation, particularly radio waves. M87's galactic envelope extends out to a radius of about 150 kiloparsecs (490,000 light-years), where it has been truncated—possibly by an encounter with another galaxy. Between the stars is a diffuse interstellar medium of gas that has been chemically enriched by elements emitted from evolved stars.".
- Messier_87 thumbnail Messier_87_Hubble_WikiSky.jpg?width=300.
- Messier_87 wikiPageExternalLink m087.html.
- Messier_87 wikiPageExternalLink 1.
- Messier_87 wikiPageExternalLink heic0204.html.
- Messier_87 wikiPageID "214077".
- Messier_87 wikiPageLength "57984".
- Messier_87 wikiPageOutDegree "173".
- Messier_87 wikiPageRevisionID "707323933".
- Messier_87 wikiPageWikiLink Active_galactic_nucleus.
- Messier_87 wikiPageWikiLink Aerobee.
- Messier_87 wikiPageWikiLink Amateur_astronomy.
- Messier_87 wikiPageWikiLink Angular_distance.
- Messier_87 wikiPageWikiLink Aperture.
- Messier_87 wikiPageWikiLink Apparent_magnitude.
- Messier_87 wikiPageWikiLink Astrophysical_jet.
- Messier_87 wikiPageWikiLink Asymptotic_giant_branch.
- Messier_87 wikiPageWikiLink Atlas_of_Peculiar_Galaxies.
- Messier_87 wikiPageWikiLink BL_Lac_object.
- Messier_87 wikiPageWikiLink Bondi_accretion.
- Messier_87 wikiPageWikiLink C_(musical_note).
- Messier_87 wikiPageWikiLink Category:3C_objects.
- Messier_87 wikiPageWikiLink Category:Arp_objects.
- Messier_87 wikiPageWikiLink Category:Astronomical_objects_discovered_in_1781.
- Messier_87 wikiPageWikiLink Category:Elliptical_galaxies.
- Messier_87 wikiPageWikiLink Category:Messier_objects.
- Messier_87 wikiPageWikiLink Category:NGC_objects.
- Messier_87 wikiPageWikiLink Category:PGC_objects.
- Messier_87 wikiPageWikiLink Category:Peculiar_galaxies.
- Messier_87 wikiPageWikiLink Category:Radio_galaxies.
- Messier_87 wikiPageWikiLink Category:UGC_objects.
- Messier_87 wikiPageWikiLink Category:Virgo_(constellation).
- Messier_87 wikiPageWikiLink Category:Virgo_Cluster.
- Messier_87 wikiPageWikiLink Cepheid_variable.
- Messier_87 wikiPageWikiLink Chandra_X-ray_Observatory.
- Messier_87 wikiPageWikiLink Charles_Messier.
- Messier_87 wikiPageWikiLink Collimated_light.
- Messier_87 wikiPageWikiLink Coma_Berenices.
- Messier_87 wikiPageWikiLink Comet.
- Messier_87 wikiPageWikiLink Cosmic_distance_ladder.
- Messier_87 wikiPageWikiLink Dark_matter.
- Messier_87 wikiPageWikiLink Declination.
- Messier_87 wikiPageWikiLink Denebola.
- Messier_87 wikiPageWikiLink Dust_lane.
- Messier_87 wikiPageWikiLink Dwarf_galaxy.
- Messier_87 wikiPageWikiLink Earth.
- Messier_87 wikiPageWikiLink Edwin_Hubble.
- Messier_87 wikiPageWikiLink Einstein_Observatory.
- Messier_87 wikiPageWikiLink Electronvolt.
- Messier_87 wikiPageWikiLink Ellipsoid.
- Messier_87 wikiPageWikiLink Elliptical_galaxy.
- Messier_87 wikiPageWikiLink Epoch_(astronomy).
- Messier_87 wikiPageWikiLink Epsilon_Virginis.
- Messier_87 wikiPageWikiLink Erg.
- Messier_87 wikiPageWikiLink Galaxy_morphological_classification.
- Messier_87 wikiPageWikiLink Gamma_ray.
- Messier_87 wikiPageWikiLink Geiger_counter.
- Messier_87 wikiPageWikiLink Globular_cluster.
- Messier_87 wikiPageWikiLink Gérard_de_Vaucouleurs.
- Messier_87 wikiPageWikiLink HVGC-1.
- Messier_87 wikiPageWikiLink Heber_Doust_Curtis.
- Messier_87 wikiPageWikiLink High_Energy_Astronomy_Observatory_1.
- Messier_87 wikiPageWikiLink High_Energy_Stereoscopic_System.
- Messier_87 wikiPageWikiLink Hubble_Space_Telescope.
- Messier_87 wikiPageWikiLink Hubble_sequence.
- Messier_87 wikiPageWikiLink Hypervelocity_globular_cluster.
- Messier_87 wikiPageWikiLink Infrared.
- Messier_87 wikiPageWikiLink Innokentii_A._Balanowski.
- Messier_87 wikiPageWikiLink Interstellar_medium.
- Messier_87 wikiPageWikiLink John_Herschel.
- Messier_87 wikiPageWikiLink John_Louis_Emil_Dreyer.
- Messier_87 wikiPageWikiLink Joule.
- Messier_87 wikiPageWikiLink Lick_Observatory.
- Messier_87 wikiPageWikiLink Light-year.
- Messier_87 wikiPageWikiLink Linear_polarization.
- Messier_87 wikiPageWikiLink List_of_most_massive_black_holes.
- Messier_87 wikiPageWikiLink Local_Group.
- Messier_87 wikiPageWikiLink Luminosity.
- Messier_87 wikiPageWikiLink Magnetic_field.
- Messier_87 wikiPageWikiLink Main_sequence.
- Messier_87 wikiPageWikiLink Messier_49.
- Messier_87 wikiPageWikiLink Messier_84.
- Messier_87 wikiPageWikiLink Messier_86.
- Messier_87 wikiPageWikiLink Messier_object.
- Messier_87 wikiPageWikiLink Metallicity.
- Messier_87 wikiPageWikiLink Milky_Way.
- Messier_87 wikiPageWikiLink Minute_and_second_of_arc.
- Messier_87 wikiPageWikiLink Mount_Wilson_Observatory.
- Messier_87 wikiPageWikiLink Nebula.
- Messier_87 wikiPageWikiLink New_General_Catalogue.
- Messier_87 wikiPageWikiLink Otto_Struve.
- Messier_87 wikiPageWikiLink Parsec.
- Messier_87 wikiPageWikiLink Peculiar_galaxy.
- Messier_87 wikiPageWikiLink Phase_space.
- Messier_87 wikiPageWikiLink Photographic_magnitude.
- Messier_87 wikiPageWikiLink Planetary_nebula.
- Messier_87 wikiPageWikiLink Plasma_(physics).
- Messier_87 wikiPageWikiLink Position_angle.
- Messier_87 wikiPageWikiLink Precession.
- Messier_87 wikiPageWikiLink Principal_Galaxies_Catalogue.