Planet ekstragalaksi: Perbedaan antara revisi

'''Planet ekstragalaksi''', juga dikenal sebagai sebuah '''[[eksoplanetPlanet luar surya]] ekstragalaksi''', adalah sebuah [[planet]] terikat [[bintang]] atau [[planet pengembara]] yang terletak diluar [[Galaksi Bima Sakti]]. Karena jarak yang sangat jauh, planet-planet tersebut akan sangat sulit dideteksi secara langsung. Namun, bukti tidak langsung menunjukkan bahwa planet semacam itu mungkin ada.<ref name="ARX-20180202">{{Cite journal|last1=Dai |first1=Xinyu |last2= Guerras |first2=Eduardo |title=Probing Planets in Extragalactic Galaxies Using Quasar Microlensing |journal=The Astrophysical Journal |volume=853 |issue=2 |pages=L27 |date=2 February 2018 |arxiv=1802.00049|bibcode=2018ApJ...853L..27D|doi=10.3847/2041-8213/aaa5fb }}</ref><ref name="NG-20180205">{{cite web |last=Zachos |first=Elaine |title=More Than a Trillion Planets Could Exist Beyond Our Galaxy - A new study gives the first evidence that exoplanets exist beyond the Milky Way. |url=https://news.nationalgeographic.com/2018/02/exoplanets-discovery-milky-way-galaxy-spd/ |date=5 February 2018 |work=[[National Geographic Society]] |accessdate=5 February 2018 }}</ref><ref name="GZM-20180205">{{cite web |last=Mandelbaum |first=Ryan F. |title=Scientists Find Evidence of Thousands of Planets in Distant Galaxy |url=https://gizmodo.com/scientists-find-evidence-of-thousands-of-planets-in-dis-1822727151 |date=5 February 2018 |work=[[Gizmodo]] |accessdate=5 February 2018 }}</ref>