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Why is the cosmic star formation history peaking at redshift around 2? Hint: think of which...

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Physics

Why is the cosmic star formation history peaking at redshiftaround 2? Hint: think of which processes are more (or less) activebefore (or after).

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investigation into what the spectra of these galaxies are telling us For example astronomers compare emissions lines of elements like hydrogen nitrogen sulfur and oxygen and find that galaxies at cosmic noon redshift 2have more ionized nitrogen and oxygen compared to    See Answer
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