# The iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over…

> Most likely: The iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over south-eastern Australia on 26 September.

Source: https://mysteriesdept.com/mysteries/vela-incident/answers/ANS0CW4X5A032M1/the-iodine-131-came-from-a-test-near-the-prince-edward  
Publisher: Mysteries Department  
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[Questions](https://mysteriesdept.com/questions)[1979 Vela incident](https://mysteriesdept.com/mysteries/vela-incident)[Was the iodine-131 in Australian sheep thyroids fallout from the event?](https://mysteriesdept.com/mysteries/vela-incident/questions/QST0CW4WYF84TRD/was-the-iodine-131-in-australian-sheep-thyroids-fallout-from)Answer

Answer · 1979 Vela incident

# The iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over…

The iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over south-eastern Australia on 26 September.

**Most likely** Answers **1** questionPublished0

## Where it stands

**Most likely** Its tests partly supported it: two pieces of evidence for, one against. It needs two reviews to be accepted.

## What it predicts

- Activity in samples slaughtered weeks after 26 September, decaying with an 8-day half-life.
- Trajectories from the site reach south-eastern Australia around 26 September.

## What would rule it out

- Evidence of laboratory contamination or another fission source in the period.

## Evidence 2 for · 1 against

[A NOAA and NRL trajectory from near Marion Island passes south-eastern Australia on 26 September, when it…](https://mysteriesdept.com/mysteries/vela-incident/evidence/EVD0CW4X5SM0AVJ/a-noaa-and-nrl-trajectory-from-near-marion-island-passes)

Suggestive

FOR

[One sample slaughtered 22 October gave about 1.9 ± 0.6 pCi/g corrected to slaughter; three spectra show…](https://mysteriesdept.com/mysteries/vela-incident/evidence/EVD0CW4X5HT1EE4/one-sample-slaughtered-22-october-gave-about-1-9-0-6-pci-g)

Suggestive

FOR

[Air-sampling networks in Australia and New Zealand detected nothing.](https://mysteriesdept.com/mysteries/vela-incident/evidence/EVD0CW4X61E5Q7X/air-sampling-networks-in-australia-and-new-zealand-detected)

Suggestive

AGAINST

## The questions it answers

[Was the iodine-131 in Australian sheep thyroids fallout from the event?](https://mysteriesdept.com/mysteries/vela-incident/questions/QST0CW4WYF84TRD/was-the-iodine-131-in-australian-sheep-thyroids-fallout-from)

Part of [Was the signal of 22 September 1979 a nuclear explosion?](https://mysteriesdept.com/mysteries/vela-incident/questions/QST0CW4WXZM2TV0/was-the-signal-of-22-september-1979-a-nuclear-explosion)

Most likelyThe iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over…

## Cite it

```
Mysteries Department. (2026). The iodine-131 came from a test near the Prince Edward Islands, carried east and rained out over… [Answer ANS0CW4X5A032M1]. https://mysteriesdept.com/r/ANS0CW4X5A032M1
```

Key

**ANS** 0CW4X5A032M1

Kind

Answer · hypothesis

Origin

Published

Version

1

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