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by galacticaactual 301 days ago
"FE I remains undetected"

Remains Undetected. Pretty crystal clear.
1 comments
ccgreg 300 days ago
No. Undetected iron and zero iron are different. Source: astronomer.
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galacticaactual 300 days ago
"Undetected" is not an "upper bound." Source: computer scientist.
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ccgreg 300 days ago
Undetected means you can compute an upper bound, based on the performance of your instrument. Again, these are undergraduate level concepts.
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galacticaactual 300 days ago
Again, you’re being obtuse but well leave it there. Good day.
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