Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Messier_7> ?p ?o }
- Messier_7 abstract "Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius (also called Scorpion). With a declination of -34.8°, it is the southernmost Messier object.M7 has been known since antiquity; it was first recorded by the 1st-century Greek-Roman astronomer Ptolemy, who described it as a nebula in 130 AD. Italian astronomer Giovanni Batista Hodierna observed it before 1654 and counted 30 stars in it. In 1764, French astronomer Charles Messier catalogued the cluster as the seventh member in his list of comet-like objects. English astronomer John Herschel described it as "coarsely scattered clusters of stars".Telescopic observations of the cluster reveal about 80 stars within a field of view of 1.3° across. At the cluster's estimated distance of 980 light years this corresponds to an actual diameter of 25 light years. The tidal radius of the cluster is 40.1 ly (12.3 pc) and it has a combined mass of about 735 times the mass of the Sun. The age of the cluster is around 200 million years while the brightest member star is of magnitude 5.6. In terms of composition, the cluster contains a similar abundance of elements other than hydrogen and helium as the Sun.".
- Messier_7 thumbnail Messier7.jpg?width=300.
- Messier_7 wikiPageExternalLink ap120912.html.
- Messier_7 wikiPageExternalLink m007.html.
- Messier_7 wikiPageExternalLink image.php?gallery_id=2&image_id=87.
- Messier_7 wikiPageID "939182".
- Messier_7 wikiPageLength "5037".
- Messier_7 wikiPageOutDegree "33".
- Messier_7 wikiPageRevisionID "653383087".
- Messier_7 wikiPageWikiLink Ancient_history.
- Messier_7 wikiPageWikiLink Apparent_magnitude.
- Messier_7 wikiPageWikiLink Category:Astronomical_objects_known_since_antiquity.
- Messier_7 wikiPageWikiLink Category:Messier_objects.
- Messier_7 wikiPageWikiLink Category:NGC_objects.
- Messier_7 wikiPageWikiLink Category:Open_clusters.
- Messier_7 wikiPageWikiLink Category:Orion–Cygnus_Arm.
- Messier_7 wikiPageWikiLink Category:Scorpius_(constellation).
- Messier_7 wikiPageWikiLink Charles_Messier.
- Messier_7 wikiPageWikiLink Comet.
- Messier_7 wikiPageWikiLink Constellation.
- Messier_7 wikiPageWikiLink Giovanni_Batista_Hodierna.
- Messier_7 wikiPageWikiLink Giovanni_Battista_Hodierna.
- Messier_7 wikiPageWikiLink John_Herschel.
- Messier_7 wikiPageWikiLink Light-year.
- Messier_7 wikiPageWikiLink Light_year.
- Messier_7 wikiPageWikiLink List_of_Messier_objects.
- Messier_7 wikiPageWikiLink List_of_open_clusters.
- Messier_7 wikiPageWikiLink Messier_object.
- Messier_7 wikiPageWikiLink Myr.
- Messier_7 wikiPageWikiLink Naked_eye.
- Messier_7 wikiPageWikiLink Nebula.
- Messier_7 wikiPageWikiLink New_General_Catalogue.
- Messier_7 wikiPageWikiLink Open_cluster.
- Messier_7 wikiPageWikiLink Ptolemy.
- Messier_7 wikiPageWikiLink Roche_limit.
- Messier_7 wikiPageWikiLink Scorpius.
- Messier_7 wikiPageWikiLink Star.
- Messier_7 wikiPageWikiLink Telescope.
- Messier_7 wikiPageWikiLink Tidal_radius.
- Messier_7 wikiPageWikiLink File:Messier7.jpg.
- Messier_7 wikiPageWikiLink File:Open-cluster-Messier-7.jpeg.
- Messier_7 wikiPageWikiLink File:The_star_cluster_Messier_7.jpg.
- Messier_7 wikiPageWikiLinkText "M7".
- Messier_7 wikiPageWikiLinkText "Messier 7".
- Messier_7 age "200".
- Messier_7 appmagV "3.3".
- Messier_7 class "180.0".
- Messier_7 constellation Scorpius.
- Messier_7 epoch "J2000.0".
- Messier_7 hasPhotoCollection Messier_7.
- Messier_7 massMsol "735".
- Messier_7 name "Messier 7".
- Messier_7 names "M7, NGC 6475, Ptolemy Cluster".
- Messier_7 radiusLy "25.0".
- Messier_7 sizeV "80".
- Messier_7 wikiPageUsesTemplate Template:Commons.
- Messier_7 wikiPageUsesTemplate Template:Convert.
- Messier_7 wikiPageUsesTemplate Template:Infobox_open_cluster.
- Messier_7 wikiPageUsesTemplate Template:Messier_objects.
- Messier_7 wikiPageUsesTemplate Template:Ngc65.
- Messier_7 wikiPageUsesTemplate Template:Reflist.
- Messier_7 wikiPageUsesTemplate Template:Sky.
- Messier_7 wikiPageUsesTemplate Template:WikiSky.
- Messier_7 subject Category:Astronomical_objects_known_since_antiquity.
- Messier_7 subject Category:Messier_objects.
- Messier_7 subject Category:NGC_objects.
- Messier_7 subject Category:Open_clusters.
- Messier_7 subject Category:Orion–Cygnus_Arm.
- Messier_7 subject Category:Scorpius_(constellation).
- Messier_7 hypernym Cluster.
- Messier_7 type Article.
- Messier_7 type Language.
- Messier_7 type Article.
- Messier_7 type Catalogue.
- Messier_7 type Object.
- Messier_7 comment "Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the "stinger" of Scorpius (also called Scorpion). With a declination of -34.8°, it is the southernmost Messier object.M7 has been known since antiquity; it was first recorded by the 1st-century Greek-Roman astronomer Ptolemy, who described it as a nebula in 130 AD.".
- Messier_7 label "Messier 7".
- Messier_7 sameAs Ptolemeus-sterreswerm.
- Messier_7 sameAs مسييه_7.
- Messier_7 sameAs NGC_6475.
- Messier_7 sameAs xd0x90xd0xb1xd0xb5xd0xbaxd1x82_xd0x9cxd0xb5xd1x81xd1x8cxd0xb5_M7.
- Messier_7 sameAs M7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Cúmul_de_Ptolemeu.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Σμήνος_του_Πτολεμαίου.
- Messier_7 sameAs M7.
- Messier_7 sameAs Cúmulo_de_Ptolomeo.
- Messier_7 sameAs مسیه_۷.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs M7_(amas_ouvert).
- Messier_7 sameAs צביר_תלמי.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs Messier_7.
- Messier_7 sameAs M7_(astronomia).
- Messier_7 sameAs M7_(天体).