What is 51 Pegasi b?
[[File:Artist_impression_of_the_exoplanet_51_Pegasi_b.jpg|thumb|Conception of 51 Pegasi b]] '''51 Pegasi b''', also called '''Bellerephon, Dimidium''' or '''51 Peg b''', is the first [[extrasolar planet]] discovered [[orbit]]ing a [[main-sequence]] [[star]], [[51 Pegasi]]. [[Michel Mayor]] and [[Didier Queloz]] announced the discovery on 6 October 1995.<ref>{{cite web|last=Ilovaisky|first=S. A.|title=Une planète autour de 51 Pegasi|lang=fr|url=http://www.obs-hp.fr/www/nouvelles/51-peg.html|date=2002-03-25|access-date=2020-03-17}}{{Dead link|date=December 2024 |bot=InternetArchiveBot |fix-attempted=yes }}</ref><ref>{{cite journal|last1=Mayor|first1=Michael|last2=Queloz|first2=Didier|title=A Jupiter-mass companion to a solar-type star|url=https://archive.org/details/sim_nature-uk_1995-11-23_378_6555/page/355|journal=Nature|volume=378|issue=6555|date=23 November 1995|pages=355–359|doi=10.1038/378355a0|bibcode=1995Natur.378..355M |s2cid=4339201}}</ref> It is 50 [[light years]] away in the direction of the [[constellation]] [[Pegasus (constellation)|Pegasus]].<ref>Deborah Byrd and Eleanor Imster 2017. Today in science: 1st planet orbiting a sunlike star. [https://earthsky.org/space/this-date-in-science-first-planet-discovered-around-sunlike-star] SPACE October 6, 2017.</ref> ==References== {{reflist}} {{sci-stub}} [[Category:Exoplanets]]