Can We Detect Uranium and Thorium Fusion in Stars Through Spectral Analysis?

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Discussion Overview

The discussion centers around the possibility of detecting uranium and thorium fusion in stars through spectral analysis. Participants explore whether these heavy elements could form in stellar cores similarly to lighter elements like helium and carbon-iron, and if their presence could be inferred from the light emitted by stars.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • Some participants propose that if uranium and thorium form through fusion in stars, it should be possible to detect this through spectral analysis of starlight.
  • Others express uncertainty about the formation of heavy elements, questioning if there are alternative hypotheses for their origin if not from stellar processes.
  • A participant mentions supernova nucleosynthesis as a potential context for the formation of heavy elements, suggesting that this could be relevant to the discussion.
  • Another participant clarifies that their previous statements were not intended to distinguish between different stellar processes, indicating a need for clearer communication.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the mechanisms of heavy element formation or the feasibility of detecting fusion processes in stars. Multiple competing views remain regarding the origins of uranium and thorium.

Contextual Notes

There are limitations in the discussion regarding assumptions about the formation processes of heavy elements and the specific conditions under which spectral analysis could reveal evidence of fusion.

dangerbird
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If elements like uranium and thorium in fact did form the same way helium and carbon-iron do, which is through fusion. would we be able to know? Is there a way to tell if those elements are forming through fusion in the cores of stars? Like would it be possible to analyze the light coming from stars and determine whether not uranium/thorium fusion takes place

thanks
 
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dangerbird said:
If elements like uranium and thorium in fact did form the same way helium and carbon-iron do, which is through fusion. would we be able to know? Is there a way to tell if those elements are forming through fusion in the cores of stars? Like would it be possible to analyze the light coming from stars and determine whether not uranium/thorium fusion takes place

thanks

Well, I don't believe we have any alternate hypothesis about how heavy elements form. If not in stars, then where?
 
vibjwb said:
Supernova
Yes. I wasn't making a distinction about how stars do it, just that it's stars. That was misleading.
 

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