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Tagged with age stellar-evolution
3 questions
4
votes
4
answers
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Why is the main sequence often called 'zero age' main sequence?
The main sequence stage for a star begins after it stars burning hydrogen into helium. This is often referred to as the zero age main sequence.
This is confusing since stars have already lived ...
- 822
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1
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Redshift to calculate age of stars
In multiple articles I have seen the age of a star, within the milky way, referred to as its redshift (typically denoted by $z$). I know that $z$ can be calculated as $z=\frac{\lambda_{obsv} - \...
- 437
1
vote
1
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Description of Henyey tracks on wikipedia incorrect?
So, if you search for Henyey tracks on wikipedia (I know, the shame of it!) you will come across this statement:
The Henyey track is characterized by a slow collapse in near hydrostatic ...
- 1,394