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Praemonitus (talk | contribs) →Evolutionary tracks: ZAMS and TAMS |
Lithopsian (talk | contribs) →Evolutionary tracks: "start of the main sequence" is potentially confusing since it has no start and we shouldn't give the impression that stars move along it as the evolve |
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[[File:Evolutionary track 1m.svg|thumb|left|Evolutionary track of a star like the sun]]
When a main-sequence star has consumed the hydrogen at its core, the loss of energy generation causes its gravitational collapse to resume and the star evolves off the main sequence. The path which the star follows across the HR diagram is called an evolutionary track.<ref name="Iben2012">{{cite book |author=Icko Iben |title=Stellar Evolution Physics |url=https://books.google.com/books?id=IU357EiecWwC&pg=PA1481 |date=29 November 2012 |publisher=Cambridge University Press |isbn=978-1-107-01657-6 |pages=1481–}}</ref>
| title=Spectroscopic evolution of massive stars near the main sequence at low metallicity
| last1=Martins | first1=F. | last2=Palacios | first2=A.
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