rxch7700 rxch7700

28-07-2017
Geography

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When a low mass star first runs short of hydrogen in its core, it becomes brighter because?

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Erudite1 Erudite1

04-08-2017

It becomes brighter because, THE CORE CONTRACTS, RAISING THE TEMPERATURE AND EXTENDING THE HYDROGEN BURNING SHELL OUTWARD. This stage is called the hydrogen shell burning phase and during this phase the star grows luminous.

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