Depending on the initial stellar mass, this lifetime ranges from a few million years for the most massive to trillions of years for the least massive, which is considerably longer than the age of the universe at 13. 7 billion.

Watch the birth of stars in “stellar nurseries” and their transformation into red giants and supergiants.

Webxiang and rix 2 determined the ages of stars in the subgiant phase of evolution — which occurs when a star runs out of core hydrogen — as a means of understanding how the milky way formed.

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Webwhat stages of life do stars go through?

The evolutionary processes of stars depend upon their initial mass.

Webwhen the stars used up their nuclear fuel, they started to evolve.

More massive stars explode as supernovae,.

Find out what causes supernovae, how black holes form, and what happens to stars after they die.

Find out what causes supernovae, how black holes form, and what happens to stars after they die.

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