Editing Timeline of stellar astronomy

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{{More citations needed|date=July 2012}}
'''[[Timeline]] of [[stellar astronomy]]'''

* 1200 BC&nbsp;— Chinese star names appear on [[oracle bone|oracle bones]] used for divination.
* 134 BC&nbsp;— [[Hipparchus]] creates the [[apparent magnitude|magnitude scale of stellar apparent]] [[luminosity|luminosities]]
* 185 AD&nbsp;— [[Chinese astronomy|Chinese astronomers]] become the first to observe a [[supernova]], the [[SN 185]]
* 964&nbsp;— [[Abd al-Rahman al-Sufi]] (Azophi) writes the ''[[Book of Fixed Stars]]'', in which he makes the first recorded observations of the [[Andromeda Galaxy]] and the [[Large Magellanic Cloud]], and [[List of Arabic star names|lists numerous stars]] with their positions, magnitudes, brightness, and colour, and gives drawings for each [[constellation]]
* 1000s (decade)&nbsp;— The [[Islamic astronomy|Persian astronomer]], [[Al-Biruni]], describes the [[Milky Way]] [[galaxy]] as a collection of numerous [[Nebula|nebulous]] stars
* 1006&nbsp;— [[Ali ibn Ridwan]] and Chinese astronomers observe the [[SN 1006]], the brightest stellar event ever recorded
* 1054&nbsp;— Chinese and Arab astronomers observe the [[SN 1054]], responsible for the creation of the [[Crab Nebula]], the only [[nebula]] whose creation was observed
* 1181&nbsp;— Chinese astronomers observe the [[SN 1181]] supernova
* 1580&nbsp;— [[Taqi ad-Din Muhammad ibn Ma'ruf|Taqi al-Din]] measures the [[right ascension]] of the stars at the [[Constantinople observatory of Taqi ad-Din]] using an "observational clock" he invented and which he described as "a [[mechanical clock]] with three dials which show the hours, the minutes, and the seconds"
* 1596&nbsp;— [[David Fabricius]] notices that [[Mira]]'s brightness varies
* 1672&nbsp;— [[Geminiano Montanari]] notices that [[Algol]]'s brightness varies
* 1686&nbsp;— [[Gottfried Kirch]] notices that [[Chi Cygni]]'s brightness varies
* 1718&nbsp;— [[Edmund Halley]] discovers stellar [[proper motion]]s by comparing his astrometric measurements with those of the Greeks
* 1782&nbsp;— [[John Goodricke]] notices that the brightness variations of Algol are periodic and proposes that it is partially eclipsed by a body moving around it
* 1784&nbsp;— [[Edward Pigott]] discovers the first [[Cepheid variable]] star
* 1838&nbsp;— [[Thomas James Henderson|Thomas Henderson]], [[Friedrich Struve]], and [[Friedrich Bessel]] measure stellar [[parallax]]es
* 1844&nbsp;— Friedrich Bessel explains the wobbling motions of [[Sirius]] and [[Procyon]] by suggesting that these stars have dark companions
* 1906&nbsp;— [[Arthur Eddington]] begins his statistical study of stellar motions
* 1908&nbsp;— [[Henrietta Leavitt]] discovers the Cepheid [[period-luminosity relation]]
* 1910&nbsp;— [[Ejnar Hertzsprung]] and [[Henry Norris Russell]] study the relation between magnitudes and [[spectral type]]s of stars
* 1924&nbsp;— [[Arthur Eddington]] develops the [[main sequence]] mass-luminosity relationship
* 1929&nbsp;— [[George Gamow]] proposes [[hydrogen]] [[nuclear fusion|fusion]] as the energy source for stars
* 1938&nbsp;— [[Hans Bethe]] and [[Carl von Weizsäcker]] detail the [[proton–proton chain]] and [[CNO cycle]] in stars
* 1939&nbsp;— [[Rupert Wildt]] realizes the importance of the negative hydrogen [[ion]] for stellar opacity
* 1952&nbsp;— [[Walter Baade]] distinguishes between Cepheid I and Cepheid II variable stars
* 1953&nbsp;— [[Fred Hoyle]] predicts a [[carbon]]-12 resonance to allow stellar [[Triple-alpha process|triple alpha reactions]] at reasonable stellar interior temperatures
* 1961&nbsp;— [[Chūshirō Hayashi]] publishes his work on the Hayashi track of fully convective stars
* 1963&nbsp;— [[Fred Hoyle]] and [[William A. Fowler]] conceive the idea of supermassive stars
* 1964&nbsp;— [[Subrahmanyan Chandrasekhar]] and [[Richard Feynman]] develop a general relativistic theory of stellar pulsations and show that supermassive stars are subject to a general relativistic instability
* 1967&nbsp;— [[Eric Becklin]] and [[Gerry Neugebauer]] discover the [[Becklin-Neugebauer Object]] at 10 micrometres
* 1977&nbsp;— (May 25) The ''[[Star Wars (film)|Star Wars]]'' film is released and became a worldwide phenomenon, boosting interests in stellar systems.
* 2012&nbsp;— (May 2) First visual proof of existence of black-holes. [[Suvi Gezari]]'s team in [[Johns Hopkins University]], using the Hawaiian telescope [[Pan-STARRS|Pan-STARRS 1]], publish images of a [[supermassive black hole]] 2.7 million light-years away swallowing a [[red giant]].<ref>{{cite magazine|last=Matson |first=John |url=http://www.scientificamerican.com/article.cfm?id=black-hole-swallows-star |title=Big Gulp: Flaring Galaxy Marks the Messy Demise of a Star in a Supermassive Black Hole |magazine=Scientific American |access-date=2012-07-23}}</ref><ref>{{Cite journal|doi=10.1038/nature10990|title=An ultraviolet–optical flare from the tidal disruption of a helium-rich stellar core|year=2012|last1=Gezari|first1=S.|last2=Chornock|first2=R.|last3=Rest|first3=A.|last4=Huber|first4=M. E.|last5=Forster|first5=K.|last6=Berger|first6=E.|last7=Challis|first7=P. J.|last8=Neill|first8=J. D.|last9=Martin|first9=D. C.|last10=Heckman|first10=T.|last11=Lawrence|first11=A.|last12=Norman|first12=C.|last13=Narayan|first13=G.|last14=Foley|first14=R. J.|last15=Marion|first15=G. H.|last16=Scolnic|first16=D.|last17=Chomiuk|first17=L.|last18=Soderberg|first18=A.|last19=Smith|first19=K.|last20=Kirshner|first20=R. P.|last21=Riess|first21=A. G.|last22=Smartt|first22=S. J.|last23=Stubbs|first23=C. W.|last24=Tonry|first24=J. L.|last25=Wood-Vasey|first25=W. M.|last26=Burgett|first26=W. S.|last27=Chambers|first27=K. C.|last28=Grav|first28=T.|last29=Heasley|first29=J. N.|last30=Kaiser|first30=N.|journal=Nature|volume=485|issue=7397|pages=217–220|pmid=22575962|arxiv=1205.0252|bibcode=2012Natur.485..217G|s2cid=205228405|display-authors=1}}</ref>

==See also==
{{Portal|Star}}
* [[Timeline of astronomy]]

== References ==
{{reflist}}

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{{DEFAULTSORT:Timeline Of Stellar Astronomy}}
[[Category:Astronomy timelines|Stellar astronomy]]