earth science

Stellar evolution is the life cycle of a star. A cycle suggests that upon death of a star, another star is born. How is this possible?

Stars never really die.
The death is a black dwarf star. This type of death triggers the birth of a new star.
The death is a red giant. This type of death emits red energy that forms a new star.
The death is a supernova. This type of death can produce nebular clouds and trigger the birth of a new star.

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  1. Stars never really die.

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  2. the death is a black dwarf

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