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Vela Incident

en.wikipedia.org Reference Encyclopedia entries History & humanities Candidate
Screenshot of en.wikipedia.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 4 calendar years, with breakout response in 2 of them.

submissions
9
submitters
9
observed span
2019–2023
peak thread · 58 comments
117 pts
latest 20+ return · 2023-11-13
87 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

From the introduction: > Today, most independent researchers believe that the 1979 [Vela Incident] flash was caused by a nuclear explosion — perhaps an undeclared nuclear test carried out by South Africa and Israel.

ColanR·117-point thread·

Key sensor involved in detection: https://en.wikipedia.org/wiki/Bhangmeter. Gotta love engineering humor.

Wikipedia sez: "Sasha Polakow-Suransky writes that, in 1979, South Africa was not yet advanced enough to test a nuclear device: "By the first week of October, the State Department had realized that South Africa was probably not the guilty party; Israel was a more likely candidate."[46]" Weird then that there are a bunch of contemporary State Department memos stating the exact opposite. Apologies for ALL CAPS but I don't feel like retyping all of these: -…

Lammy·19-point thread·

1979 was also the year Rhodesia ceased to exist as a country. A decade before that, to the west in Namibia, Peter Thiel would attend boarding school while his father supervised the extraction of Uranium from the enormous Rössing Mine for SA's covert nuclear weapons program. I also want to point out that South Africa is a significant country in the history of computing. Chris Pinkham would spend 4 years their building AWS (albeit on US-hosted machines). I have never…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
244

reference only — not used in Hall rules or ranking

Total comments
114

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2019-09-22Vela IncidentFirst breakout · Best threadpietroglyph11758
2021-02-16Vela Incidentchha10
2022-02-28In 1979 Vela incident suspected undeclared joint nuclear testxer30
2022-03-11Vela Incidentushakov191
2022-04-06Vela IncidentZeljkoS101
2022-07-27The Vela incident was an unidentified double flash of lightpyinstallwoes40
2022-11-09Vela Incidentdmix20
2023-07-24Vela Incidentdorkwood10
2023-11-13The Vela Incident (1979)Latest 20+ point returnrwmj8754