Gas of atoms and thermal light

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Niles
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Hi

If I have a gas of atoms that emit light, is it accurate to regard the gas as being a thermal source?


Niles.
 
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yes, as they would have to hit each other to emit light, and anything that reacts with ach other to emit light must be ammiting heat
 
Niles said:
Hi

If I have a gas of atoms that emit light, is it accurate to regard the gas as being a thermal source?


Niles.

What do you mean by "thermal source"?