Proxima Centauri b: Perbedaan antara revisi
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'''Proxima Centauri b''' (disebut juga '''Proxima b'''<ref name=":0">{{Cite web|url=http://www.cnn.com/videos/world/2016/08/24/earth-like-planet-discovered-orig-nws.cnn?adkey=bn|title=Earth-like planet discovered orbiting sun's neighbor|date=24 August 2016|publisher=[[CNN]]|access-date=24 August 2016|quote=A planet named Proxima b has been discovered orbiting the closest star to our sun.}}</ref><ref>{{Cite web|url=https://www.theguardian.com/science/2016/aug/24/earth-like-planet-found-orbiting-our-suns-nearest-star-raises-hopes-for-life-proxima-b|title=Discovery of potentially Earth-like planet Proxima b raises hopes for life|last=Davis|first=Nicola|date=24 August 2016|website=[[The Guardian]]|access-date=24 August 2016}}</ref>) adalah sebuah [[planet luar surya]] yang mengorbit dalam [[zona
Pada bulan Agustus 2016, [[Observatorium Selatan Eropa]] mengumumkan penemuan planet ini.<ref name="NYT-20160824">{{Cite news|url=http://www.nytimes.com/2016/08/25/science/earth-planet-proxima-centauri.html|title=One Star Over, a Planet That Might Be Another Earth|last=Chang|first=Kenneth|date=24 August 2016|work=[[New York Times]]|access-date=24 August 2016}}</ref><ref name="nature_paper">{{Cite journal|last=Anglada-Escudé|first=G.|last2=Amado|first2=P. J.|last3=Barnes|first3=J.|last4=Berdiñas|first4=Z. M.|last5=Butler|first5=R. P.|last6=Coleman|first6=G. A. L.|last7=de la Cueva|first7=I.|last8=Dreizler|first8=S.|last9=Endl|first9=M.|date=25 August 2016|title=A terrestrial planet candidate in a temperate orbit around Proxima Centauri|url=http://www.eso.org/public/archives/releases/sciencepapers/eso1629/eso1629a.pdf|journal=Nature|language=en|volume=536|issue=7617|pages=437–440|doi=10.1038/nature19106|issn=0028-0836}}</ref><ref name="Pale Red Dot campaign reveals Earth-mass world in orbit around Proxima Centauri">{{Cite web|url=http://www.eso.org/public/news/eso1629/|title=Planet Found in Habitable Zone Around Nearest Star|date=24 August 2016|publisher=[[European Southern Observatory]]|archive-date=24 August 2016|dead-url=no}}</ref><ref name="Space.com">{{Cite web|url=http://www.space.com/33834-discovery-of-planet-proxima-b.html|title="Found! Potentially Earth-Like Planet at Proxima Centauri Is Closest Ever "|date=24 August 2016|publisher=[[Space.com]]|archive-date=24 August 2016|dead-url=no}}</ref><ref>{{Cite web|url=http://www.telegraph.co.uk/science/2016/08/24/proxima-b-alien-life-could-exist-on-second-earth-found-orbiting/|title=Proxima b: Alien life could exist on 'second Earth' found orbiting our nearest star in Alpha Centauri system|last=Knapton|first=Sarah|date=24 August 2016|website=[[The Daily Telegraph|The Telegraph]]|publisher=[[Telegraph Media Group]]|access-date=24 August 2016}}</ref> Tak lama setelah penemuan, para peneliti menyelidiki potensi
Planet ini ditemukan dengan menggunakan metode kecepatan radial (spektroskopi Doppler), di mana pergeseran Doppler periodik dari garis-garis spektrum sebuah bintang menunjukkan sebuah objek yang mengorbit bintang tersebut. Dari metode ini, kecepatan radial bintang induk relatif terhadap Bumi adalah berbeda-beda dengan amplitudo sekitar 2 meter (6.6 kaki) per detik.<ref name="nature_paper">{{Cite journal|last=Anglada-Escudé|first=G.|last2=Amado|first2=P. J.|last3=Barnes|first3=J.|last4=Berdiñas|first4=Z. M.|last5=Butler|first5=R. P.|last6=Coleman|first6=G. A. L.|last7=de la Cueva|first7=I.|last8=Dreizler|first8=S.|last9=Endl|first9=M.|date=25 August 2016|title=A terrestrial planet candidate in a temperate orbit around Proxima Centauri|url=http://www.eso.org/public/archives/releases/sciencepapers/eso1629/eso1629a.pdf|journal=Nature|language=en|volume=536|issue=7617|pages=437–440|doi=10.1038/nature19106|issn=0028-0836}}</ref>
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