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symbo symbo
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7 years ago
What happens to the surface of a low-mass star after the helium core and shell fusion stages are completed?
A)   It stabilizes at the size of a red giant star, radiation pressure from below balancing gravity from the core, and will slowly cool for the rest of its life.
B)   It is spun off into space to make a spiral structure known as a spiral galaxy.
C)   It is propelled slowly away from the core to form a planetary nebula.
D)   It contracts back onto the core and becomes hot enough to undergo further hydrogen fusion, leading to a very hot and active white dwarf star.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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symbo Author
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7 years ago
Thanks for answering, I'll share this with my classmates too
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