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A comment on Earth's core far hotter than thought. Parent comment

Re:Earth's core far hotter than thought by uvdiv on Friday April 26, 2013 @11:31AM (#5613448)
A lot of the radiation that the sun's core emits gets through its surface without interacting with it much.

This is false. The sun is very opaque; photons from the core could take millions of years to reach the surface.

https://en.wikipedia.org/wiki/Radiation_zone

https://en.wikipedia.org/wiki/Solar_core#Energy_transfer

This is the article you're looking for:

https://en.wikipedia.org/wiki/Corona#Coronal_heating_problem

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Re:Earth's core far hotter than thought by jacquesm on Friday April 26, 2013 @04:47PM (#5615370)
> photons from the core could take millions of years to reach the surface.

And it would be most unlikely they'd be the same photons that started on the journey. Likely they'd be absorbed and different photons re-emitted many times.

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