Quote:
Originally Posted by Arneb
Such a star would tell us about the temperature of Dark Matter: Clumping would be different in a warm DM Universe, and it would allow for the formation of small first generation (= zero metallicity) stars, whereas cold DM models call for a first generation of stars that were supermassive and are thus long since gone.
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Fascinating! Glad to see that it was worth the wait.
I was pretty much stumped by the question. The only thing I could think of was
age - and George was shot down when he guessed that!