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- Gliese_581_e abstract "Gliese 581 e /ˈɡliːzə/ or Gl 581 e is an extrasolar planet found around Gliese 581, an M3V red dwarf star approximately 20.5 light-years away from Earth in the constellation of Libra. It is the fourth planet discovered in the system and the first in order from the star.The planet was discovered by an Observatory of Geneva team led by Michel Mayor, using the HARPS instrument on the European Southern Observatory 3.6 m (140 in) telescope in La Silla, Chile. The discovery was announced on 21 April 2009. Mayor's team employed the radial velocity technique, in which the orbit size and mass of a planet are determined based on the small perturbations it induces in its parent star's orbit via gravity.At a minimum mass of 1.7 Earth masses, it is one of the least-massive extrasolar planet discovered around a normal star, and relatively close in mass to Earth. At an orbital distance of just 0.03 AU from its parent star, however, it orbits further in than the habitable zone. It is unlikely to possess an atmosphere due to its high temperature and strong radiation from the star. Although scientists think it probably has a rocky surface similar to Earth, it is also likely to experience intense tidal heating similar to (and likely more intense than) that affecting Jupiter's moon Io. Gliese 581 e completes an orbit of its sun in approximately 3.15 days.".
- Gliese_581_e thumbnail Exoplanet_Comparison_Gliese_581_e.png?width=300.
- Gliese_581_e wikiPageExternalLink a_publi.
- Gliese_581_e wikiPageExternalLink eu_britain_new_planet.
- Gliese_581_e wikiPageExternalLink pr-15-09.html.
- Gliese_581_e wikiPageID "22508114".
- Gliese_581_e wikiPageRevisionID "601748206".
- Gliese_581_e age "7".
- Gliese_581_e appMag "10.55".
- Gliese_581_e class "M3V".
- Gliese_581_e constell Libra_(constellation).
- Gliese_581_e discoverers "Mayor et al.".
- Gliese_581_e discoveryDate "2009-04-21".
- Gliese_581_e discoveryMethod Radial_velocity.
- Gliese_581_e discoverySite Chile.
- Gliese_581_e discoverySite La_Silla_Observatory.
- Gliese_581_e discoveryStatus "Published".
- Gliese_581_e distLy "20.3".
- Gliese_581_e distPc "6.2".
- Gliese_581_e eccentricity "0".
- Gliese_581_e epoch "JD 2451409.762".
- Gliese_581_e hasPhotoCollection Gliese_581_e.
- Gliese_581_e mass "0.31".
- Gliese_581_e meanAnomaly "267".
- Gliese_581_e metallicity "−0.33 ± 0.12".
- Gliese_581_e minimumMassEarth "1.7".
- Gliese_581_e period "3.14867".
- Gliese_581_e periodHour "75.57".
- Gliese_581_e periodYear "0.0086".
- Gliese_581_e planet "e".
- Gliese_581_e radius "0.29".
- Gliese_581_e semiAmp "1.66".
- Gliese_581_e semimajor "0.0284533".
- Gliese_581_e star Gliese_581.
- Gliese_581_e star "Gl+581".
- Gliese_581_e temperature "3480".
- Gliese_581_e temperature "501".
- Gliese_581_e subject Category:Exoplanets.
- Gliese_581_e subject Category:Exoplanets_detected_by_radial_velocity.
- Gliese_581_e subject Category:Exoplanets_discovered_in_2009.
- Gliese_581_e subject Category:Gliese_581.
- Gliese_581_e subject Category:Libra_(constellation).
- Gliese_581_e subject Category:Super-Earths.
- Gliese_581_e subject Category:Terrestrial_planets.
- Gliese_581_e comment "Gliese 581 e /ˈɡliːzə/ or Gl 581 e is an extrasolar planet found around Gliese 581, an M3V red dwarf star approximately 20.5 light-years away from Earth in the constellation of Libra. It is the fourth planet discovered in the system and the first in order from the star.The planet was discovered by an Observatory of Geneva team led by Michel Mayor, using the HARPS instrument on the European Southern Observatory 3.6 m (140 in) telescope in La Silla, Chile.".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Gliese 581 e".
- Gliese_581_e label "Глизе 581 e".
- Gliese_581_e label "غلييزا 581 إي".
- Gliese_581_e label "グリーゼ581e".
- Gliese_581_e label "格利泽581e".
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs グリーゼ581e.
- Gliese_581_e sameAs 글리제_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs Gliese_581_e.
- Gliese_581_e sameAs m.05zxwc0.
- Gliese_581_e sameAs Q275966.
- Gliese_581_e sameAs Q275966.
- Gliese_581_e wasDerivedFrom Gliese_581_e?oldid=601748206.
- Gliese_581_e depiction Exoplanet_Comparison_Gliese_581_e.png.
- Gliese_581_e isPrimaryTopicOf Gliese_581_e.