How Are Stellar Life Cycles Determined? - Worldatlas.com

Astronomy deals with events that occur over many billions of years, including the life of a star. How is the life of a star studied given such vast timespans?

The science of astronomy generally deals with events that take many millions to billions of years to unfold. One such event is the lifecycle of a star. Stars can live anywhere from a few million year… [+2455 chars]

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