How does the sun produce photons?

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Offline thedoc

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How does the sun produce photons?
« on: 01/04/2012 09:49:01 »
aman9716323072 asked the Naked Scientists:
How are photons produced when hydrogen atoms collide in the core of sun?

What do you think?
« Last Edit: 01/04/2012 09:49:01 by _system »


Offline Ęthelwulf

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Re: How does the sun produce photons?
« Reply #1 on: 02/04/2012 07:36:23 »
Through Nuclear interactions, like Carbon, Nitrogen and Oxygen which under some physical processes release gamma radiation. I don't know the processes off-hand, but I am sure you could find it with a search!


Offline Nizzle

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Re: How does the sun produce photons?
« Reply #2 on: 02/04/2012 07:58:48 »
Isn't our sun, at it's current stage, only fusing Hydrogen to Helium at the moment? I think it's not old enough yet to fuse Helium to higher order atoms. They may be present in the core, but not active at the moment. So I'm saying: Hydrogen + Hydrogen -> Helium + Energy
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Offline Soul Surfer

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Re: How does the sun produce photons?
« Reply #3 on: 02/04/2012 09:04:54 »
Basically it is just because it is a lot of hot gas radiating thermally into space.  All the nuclear stuff is way down inside and invisible apart from the neutrinos.  OK it is thge driver that keeps the surface nice and hot.  the radiation is just because as the molecules collide they exchange photons and some of these escape into empty space. 

The radiation from the inside takes ages to reach the surface slowly cooling down as it goes.
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