(g) How does the colour of a star help to find its age?

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04-05-2021
Chemistry

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(g) How does the colour of a star help to find its age?

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bpurnell bpurnell · Answer 1 · 2021-05-04T16:21:52+02:00

bpurnell bpurnell

04-05-2021

they run out of hydrogen to burn, decreasing the amount of energy they emit. Thus, younger stars can appear bluer while older ones appear more red, and in this way, a star's color can tell us something about that star's age.

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