NASA | Afterschool Universe: Life Cycle of a Small Star

The video models the lifecycle of a small to medium-sized star, like our sun, using a kinesthetic activity. Participants represent star material, initially scattered and then clumping together due to gravity to form a star. The star's life is depicted through stages: main sequence, red giant, and finally, a white dwarf with a planetary nebula. The activity illustrates the balance of forces within a star, the transition phases as hydrogen and helium are depleted, and the eventual dispersal of the star's outer shell.

Explain the transformation of a star into a red giant.

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What is the final stage of a star's life cycle as described in the activity?

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