Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Gliese_581> ?p ?o }
- Gliese_581 abstract "Gliese 581 (/ˈɡliːzə/) is a star of spectral type M3V (a red dwarf) about 20 light years away from Earth in the constellation Libra. Its estimated mass is about a third of that of the Sun, and it is the 89th closest known star to the Sun. Observations suggest that the star has a planetary system consisting of three known planets, designated Gliese 581 b, c, and e and a possibly confirmed planet, d, in order of discovery. Additional outer planets, which received the designations Gliese 581 f, and g have been proposed, but the evidence that led to the discovery claims has been shown to be the result of stellar activity mimicking the radial velocity variations due to orbiting planets.Gliese 581 has been the subject of a "huge amount of attention" in the quest to discover the first habitable extrasolar planet; first for c, and then d and g. Gliese 581 c, the first low-mass extrasolar planet found near a habitable zone, was discovered in April 2007. It has since been shown that under known terrestrial planet climate models, Gliese 581 c is likely to have a runaway greenhouse effect, and hence is probably too hot to be habitable, analogous to Venus. The proposed planets Gliese 581 d and Gliese 581 g also received attention as being located within the habitable zone, but their existence has subsequently been put into doubt by some authors.On 27 November 2012, the European Space Agency announced a debris disk, with at least ten times as many comets as the Solar System. This put constraints on possible planets beyond 0.75 AU.".
- Gliese_581 thumbnail Gliese_581.jpg?width=300.
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- Gliese_581 wikiPageExternalLink 070424_hab_exoplanet.html.
- Gliese_581 wikiPageExternalLink GJ581.png.
- Gliese_581 wikiPageExternalLink index.html.
- Gliese_581 wikiPageExternalLink star.php?st=Gl+581.
- Gliese_581 wikiPageExternalLink geochemsoc.org.
- Gliese_581 wikiPageExternalLink gliese581c.htm.
- Gliese_581 wikiPageExternalLink g581.html.
- Gliese_581 wikiPageExternalLink 9607.html.
- Gliese_581 wikiPageExternalLink earths-twin-discovered.
- Gliese_581 wikiPageExternalLink lib35.html.
- Gliese_581 wikiPageExternalLink ep-202-the-planets-at-gliese-581.
- Gliese_581 wikiPageExternalLink 20070424?hub=SciTech.
- Gliese_581 wikiPageExternalLink dynamics.
- Gliese_581 wikiPageExternalLink html.
- Gliese_581 wikiPageExternalLink iii.dat.
- Gliese_581 wikiPageExternalLink seticalc.htm.
- Gliese_581 wikiPageExternalLink gl581.htm.
- Gliese_581 wikiPageID "2758531".
- Gliese_581 wikiPageLength "43298".
- Gliese_581 wikiPageOutDegree "137".
- Gliese_581 wikiPageRevisionID "683537407".
- Gliese_581 wikiPageWikiLink 1_E17_s.
- Gliese_581 wikiPageWikiLink 1_petametre.
- Gliese_581 wikiPageWikiLink A_Message_From_Earth.
- Gliese_581 wikiPageWikiLink A_Message_from_Earth.
- Gliese_581 wikiPageWikiLink Absolute_magnitude.
- Gliese_581 wikiPageWikiLink Albedo.
- Gliese_581 wikiPageWikiLink Astronomical_transit.
- Gliese_581 wikiPageWikiLink BY_Draconis_variable.
- Gliese_581 wikiPageWikiLink Bebo.
- Gliese_581 wikiPageWikiLink Beta_Librae.
- Gliese_581 wikiPageWikiLink Black_body.
- Gliese_581 wikiPageWikiLink Bonner_Durchmusterung.
- Gliese_581 wikiPageWikiLink Carbon_dioxide.
- Gliese_581 wikiPageWikiLink Category:Gliese_581.
- Gliese_581 wikiPageWikiLink Category:Hipparcos_objects.
- Gliese_581 wikiPageWikiLink Category:Libra_(constellation).
- Gliese_581 wikiPageWikiLink Category:M-type_main-sequence_stars.
- Gliese_581 wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- Gliese_581 wikiPageWikiLink Category:Planetary_systems_with_four_confirmed_planets.
- Gliese_581 wikiPageWikiLink Category:Variable_stars.
- Gliese_581 wikiPageWikiLink Circumstellar_habitable_zone.
- Gliese_581 wikiPageWikiLink Comet.
- Gliese_581 wikiPageWikiLink Constellation.
- Gliese_581 wikiPageWikiLink Debris_disk.
- Gliese_581 wikiPageWikiLink Density.
- Gliese_581 wikiPageWikiLink Digitized_Sky_Survey.
- Gliese_581 wikiPageWikiLink Durchmusterung.
- Gliese_581 wikiPageWikiLink Earth.
- Gliese_581 wikiPageWikiLink Eduard_Schönfeld.
- Gliese_581 wikiPageWikiLink Epoch_(astronomy).
- Gliese_581 wikiPageWikiLink Exoplanet.
- Gliese_581 wikiPageWikiLink Extrasolar_planet.
- Gliese_581 wikiPageWikiLink Francesco_Pepe.
- Gliese_581 wikiPageWikiLink Frost_line_(astrophysics).
- Gliese_581 wikiPageWikiLink Ganymede_(moon).
- Gliese_581 wikiPageWikiLink General_Catalogue_of_Variable_Stars.
- Gliese_581 wikiPageWikiLink Geneva_Observatory.
- Gliese_581 wikiPageWikiLink Gliese-Jahreiss_catalogue.
- Gliese_581 wikiPageWikiLink Gliese_581.
- Gliese_581 wikiPageWikiLink Gliese_581_b.
- Gliese_581 wikiPageWikiLink Gliese_581_c.
- Gliese_581 wikiPageWikiLink Gliese_581_d.
- Gliese_581 wikiPageWikiLink Gliese_581_e.
- Gliese_581 wikiPageWikiLink Gliese_581_f.
- Gliese_581 wikiPageWikiLink Gliese_581_g.
- Gliese_581 wikiPageWikiLink Gliese_876.
- Gliese_581 wikiPageWikiLink Gliese_Catalogue_of_Nearby_Stars.
- Gliese_581 wikiPageWikiLink Goldilocks_phenomenon.
- Gliese_581 wikiPageWikiLink Grenoble_University.
- Gliese_581 wikiPageWikiLink HARPS.
- Gliese_581 wikiPageWikiLink Habitability_of_red_dwarf_systems.
- Gliese_581 wikiPageWikiLink Habitable_zone.
- Gliese_581 wikiPageWikiLink High_Accuracy_Radial_Velocity_Planet_Searcher.
- Gliese_581 wikiPageWikiLink High_Resolution_Echelle_Spectrometer.
- Gliese_581 wikiPageWikiLink Hipparcos.
- Gliese_581 wikiPageWikiLink Hipparcos_Catalogue.
- Gliese_581 wikiPageWikiLink Infrared.
- Gliese_581 wikiPageWikiLink International_Celestial_Reference_System.
- Gliese_581 wikiPageWikiLink J2000.0.
- Gliese_581 wikiPageWikiLink Keck_Observatory.
- Gliese_581 wikiPageWikiLink Libra_(constellation).
- Gliese_581 wikiPageWikiLink Light-year.
- Gliese_581 wikiPageWikiLink Light_year.
- Gliese_581 wikiPageWikiLink Liquid_water.
- Gliese_581 wikiPageWikiLink List_of_extrasolar_planets.
- Gliese_581 wikiPageWikiLink Lists_of_planets.
- Gliese_581 wikiPageWikiLink Luminosity.
- Gliese_581 wikiPageWikiLink Luyten_Five-Tenths_catalogue.
- Gliese_581 wikiPageWikiLink Luyten_Half-Second_catalogue.
- Gliese_581 wikiPageWikiLink Luyten_Proper-Motion_catalogue.
- Gliese_581 wikiPageWikiLink Luyten_Two-Tenths_catalogue.
- Gliese_581 wikiPageWikiLink MOST_(satellite).
- Gliese_581 wikiPageWikiLink Microvariability_and_Oscillations_of_STars_telescope.
- Gliese_581 wikiPageWikiLink Milliarcsecond.
- Gliese_581 wikiPageWikiLink Mini-Neptune.
- Gliese_581 wikiPageWikiLink Minute_and_second_of_arc.