# Pioneer Venus Large Probe mass spectra at 51.3 km are assigned in part to phosphine.

> Pioneer Venus Large Probe mass spectra at 51.3 km are assigned in part to phosphine.

Source: https://mysteriesdept.com/mysteries/venus-phosphine/evidence/EVD0CQY1ZKT3SG7/pioneer-venus-large-probe-mass-spectra-at-51-3-km-are  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Phosphine in the clouds of Venus](https://mysteriesdept.com/mysteries/venus-phosphine)Evidence

Evidence · Phosphine in the clouds of Venus

# Pioneer Venus Large Probe mass spectra at 51.3 km are assigned in part to phosphine.

Pioneer Venus Large Probe mass spectra at 51.3 km are assigned in part to phosphine.

Suggestive0

## What it bears on 1 answer

[The absorption is phosphine.](https://mysteriesdept.com/mysteries/venus-phosphine/answers/ANS0CQY1YWC27F9/the-absorption-is-phosphine)

Disputed

FOR

## Cite it

```
Mysteries Department. (2026). Pioneer Venus Large Probe mass spectra at 51.3 km are assigned in part to phosphine. [Evidence EVD0CQY1ZKT3SG7]. https://mysteriesdept.com/r/EVD0CQY1ZKT3SG7
```

Key

**EVD** 0CQY1ZKT3SG7

Kind

Evidence

Tier

Suggestive

Version

1

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