No. Undetected iron and zero iron are different. Source: astronomer. | Hacker News

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		ccgreg 8 months ago \| parent \| context \| favorite \| on: VLT observations of interstellar comet 3I/ATLAS II No. Undetected iron and zero iron are different. Source: astronomer.

galacticaactual 8 months ago [–]

"Undetected" is not an "upper bound." Source: computer scientist.

ccgreg 8 months ago | [–]

Undetected means you can compute an upper bound, based on the performance of your instrument. Again, these are undergraduate level concepts.

galacticaactual 8 months ago | | [–]

Again, you’re being obtuse but well leave it there. Good day.

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