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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
When a star leaves the main sequence and expands toward the red giant region, what is happening inside the star?
A)   Helium burning is taking place in a spherical shell just outside the core; the core itself is almost pure carbon and oxygen.
B)   Hydrogen burning is taking place in a spherical shell just outside the core; the core itself is almost pure helium.
C)   Hydrogen burning is taking place in a spherical shell just outside the core; the core has not yet started thermonuclear reactions, and is still mostly hydrogen.
D)   Helium is being converted into carbon and oxygen in the core.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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doit_the_clown Author
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7 years ago
This calls for a celebration Person Raising Both Hands in Celebration
carston
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Thanks for your help!!
KaylenePig
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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