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As a star exhausts the hydrogen in its core, what happens to its outer layer?

ssi15

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As a star exhausts the hydrogen in its core, what happens to its outer layer?

As a star exhausts the hydrogen in its core, what happens to its outer layer?

▸

It compresses and heats up.

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It compresses and cools down.

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It expands and heats up.

▸

It expands and cools down.

Textbook

ASTRO

ASTRO

Edition: 3^rd

Authors: Ghose, Milosevic-Zdjelar, Read

Read 15 times

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Thank you, thank you, thank you!

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