Gliese 581e: Perbedaan antara revisi

'''Gliese 581 e''' ({{pron-en|ˈɡliːzə}}) adalah [[eksoplanet]] keempat yang ditemukan di sekitar [[Gliese 581]], berjarak sekitar 20 tahun cahaya di rasi bintang [[Libra]]. Planet ini ditemukan oleh tim [[Michel Mayor]] dari [[Observatorium Jenewa]] di [[Swiss]]. Penemuan planet ini diumumkan pada tanggal [[21 April]] [[2009]]. Planet ini minimal mempunyai massa sebesar 1,9 [[massa Bumi]] sehingga merupakan eksoplanet yang massanya paling mendekati [[Bumi]] (per 23 April 2009). Meskipun begitu, suhu udara yang tinggi, ukuran yang kecil, dan radiasi yang kuat dari bintang induknya membuatnya kemungkinan besar tidak memiliki [[atmosfer]].<ref name="hasilan otomatis1">{{cite journal | url=http://obswww.unige.ch/~udry/Gl581_preprint.pdf |author=Mayor et al. |title=The HARPS search for southern extra-solar planets,XVIII. An Earth-mass planet in the GJ 581 planetary system |journal = [[Astronomy and Astrophysics]] |year=2009 |access-date=2009-04-23 |archive-date=2009-05-21 |archive-url=https://web.archive.org/web/20090521052641/http://obswww.unige.ch/~udry/Gl581_preprint.pdf |dead-url=yes }}</ref><ref name="bbc">{{cite web|last=Rincon|first=Paul|coauthors=Amos, Jonathan|url=http://news.bbc.co.uk/1/hi/sci/tech/8008683.stm|title=Lightest exoplanet is discovered|publisher=[[BBC]]|date=2009-04-21|accessdate=2009-04-21|archive-date=2009-04-24|archive-url=https://web.archive.org/web/20090424061149/http://news.bbc.co.uk/1/hi/sci/tech/8008683.stm|dead-url=no}}</ref><ref>{{cite web|url=http://www.latimes.com/news/science/la-sci-planet22-2009apr22,0,5993692.story|title=Two planets identified as most similar to Earth|date=2009-04-22|work=[[Los Angeles Times]]|accessdate=2009-04-22|archive-date=2009-04-25|archive-url=https://web.archive.org/web/20090425095736/http://www.latimes.com/news/science/la-sci-planet22-2009apr22,0,5993692.story|dead-url=no}}</ref><ref>{{cite web|url=http://news.nationalgeographic.com/news/2009/04/090421-most-earthlike-planet.html|title=Most Earthlike Planet Yet Found May Have Liquid Oceans|date=2009-04-21|work=[[National Geographic]]|accessdate=2009-04-22|archive-date=2016-03-12|archive-url=https://web.archive.org/web/20160312112534/http://news.nationalgeographic.com/news/2009/04/090421-most-earthlike-planet.html|dead-url=no}}</ref>

* {{id}} [http://www.republika.co.id/koran/14/45804/Bila_Bumi_Punya_Saudara_Kembar Bila Bumi Punya Saudara Kembar] {{Webarchive|url=https://web.archive.org/web/20090429083857/http://www.republika.co.id/koran/14/45804/Bila_Bumi_Punya_Saudara_Kembar |date=2009-04-29 }}, ''[[Republika]]'', 23 April 2009

* {{en}} [http://news.yahoo.com/s/ap/20090421/ap_on_sc/eu_britain_new_planet Scientists discover a nearly Earth-sized planet] {{Webarchive|url=https://web.archive.org/web/20090429221450/http://news.yahoo.com/s/ap/20090421/ap_on_sc/eu_britain_new_planet |date=2009-04-29 }}