Mysteries Department
Sign inRequest access
Answer · Phosphine in the clouds of Venus

The upper limits exclude phosphine at the claimed levels.

The upper limits exclude phosphine at the claimed levels.

Most likelyAnswers 1 questionPublished0

Where it stands

Most likelyIts tests partly supported it: one piece of evidence for, one against. It needs two reviews to be accepted.

What it predicts

  • No sensitive instrument detects phosphine at any epoch.

What would rule it out

  • An independent detection at an abundance above the limits.

Evidence 1 for · 1 against

The questions it answers

Cite it

Mysteries Department. (2026). The upper limits exclude phosphine at the claimed levels. [Answer ANS0CQY221Y38RV]. https://mysteriesdept.com/r/ANS0CQY221Y38RV
Private beta Downloads are for beta members

We're in a private beta while we get things right. Everything here is free to read; downloading datasets, sources and code is open to members for now.

It takes a couple of minutes. We'll reply by email.