Palomar Mountain, California.
November 1949.
Five thousand feet above the orange groves and the Navy airfields of San Diego County, the most ambitious map of the sky ever attempted is about to begin.
George Abell is a graduate student. From this observatory he will discover 2,712 galaxy clusters. But tonight, he just needs clear skies.
George is mapping a patch of sky. Each patch is photographed twice — once on a red-sensitive plate (fifty minutes), once on a blue plate (ten minutes). Two portraits of the same stars, in two colors of light, taken minutes apart.
For each exposure, someone must sit at the guide telescope and keep a star centered by hand.
Fifty minutes. In the cold. Night after night, for seven years.
After the exposure, the plate rides a dumbwaiter to the darkroom. Development must happen in absolute blackness. No safelights — the emulsion sees every colour of light.
1,872 exposures will be taken; only 936 pairs will pass inspection. The survivors go into drawers where they will sleep for decades…
No one notices at the time, but there's a very strange anomaly…
70 years later.
The Vanishing
Uppsala · Zurich · The Canary Islands
Dr. Beatriz Villarroel. A Swedish physicist turned astronomer. From her laboratory at NORDITA in Stockholm, she studies the violent hearts of galaxies — quasars, black holes, things that burn.
The loud death.
Most massive stars die loud — a supernova so bright it can be seen across galaxies. Light. Heat. A funeral with fireworks.
The quiet death.
But what if one died quiet? Collapsed into a black hole without a flash? It would simply — vanish.
If a massive star collapses directly into a black hole — no supernova, no explosion — it would simply vanish from the record. Has anyone actually looked?
She proposes a research project: cross-match the sky as it was photographed in the 1950s with the sky as we see it today — and find the stars that have disappeared into black holes.
600 million objects.
She calls the project VASCO — Vanishing and Appearing Sources during a Century of Observations. She writes software to compare each speck of light in the 1950s sky with the sky we see today, looking for the ones that aren't there anymore.
Tenerife. Feb 2020.
On her screen: Plate XE 325 — exposed at Palomar on April 12, 1950. The plate that went into the drawer.
Villarroel I was sitting there with my office mate in Spain... and I was just wondering, "So what is it? What are we seeing?" — Penn State, "My Personal Journey Through the Unknown"
She sees them. Nine pinpoints of light. Clustered together on the red plate — completely absent on the blue companion plate taken thirty minutes earlier.
Exhibit A — Plate XE 325
Nine sources, clustered in a single patch of sky. Appearing within half an hour on a fifty-minute red exposure. Absent on the blue plate taken just moments before. Absent in every modern survey. Whatever it was — it's gone…
A note from the author
You're about halfway in. If this story is worth your time, drop a few dollars in the bucket — it's how I make the next one.
Villarroel So what is it? What are we seeing?
What could they be?
Quietly dying stars?
JUNE 2021 — THE DISCOVERY IS PUBLISHED.
THE EVIDENCE
Nine point sources. Nine moments of light, photographed on a single mountain on a single night. Completely gone just moments later. Not there in modern images. Here they are, one by one.
TRANSIENT 1
TRANSIENTS 2 & 3
TRANSIENTS 4, 5, 6
TRANSIENTS 7 & 8
TRANSIENT 9
Are they satellites? If so — there's a big problem.
— Cutouts from Villarroel et al. (2021), Scientific Reports, CC BY 4.0
From the paper.
"No satellites are known to have existed prior to the Soviet-made Sputnik in 1957 — seven years after the appearance of the transients in the 1950 POSS-I image."
— Villarroel et al. (2021), Scientific Reports, p. 6. · Read on nature.com
SO — WHAT ARE WE DEALING WITH?
"…more likely explained by a Solar system satellite of artificial or natural origin."
— Villarroel et al., Scientific Reports, 2021 — citing a precedent on a similar anomalous transient.
Then comes the response.
The paper has done what good science does: it has given the world something it cannot easily explain — and forced everyone, supporters and skeptics alike, to look harder.
After the paper, the search opens up.
She recruits thirty volunteers from six countries — not astronomers, just careful eyes — and teaches them to look. Together they examine fifteen thousand image pairs. The nine on Plate XE 325 weren't a fluke. The catalog grows.
A bold claim is not enough. The science has to hold.
The Shadow Test
First, the critics.
Edinburgh.
Dr. Nigel Hambly. Royal Observatory Edinburgh. He has a hypothesis — and he can prove it without ever looking at the sky.
The Scanner
SuperCOSMOS, Edinburgh. The Royal Observatory's plate-measuring machine. It scanned the POSS-I plates at high resolution — and it's the scan Villarroel relies on for the close-up images of her nine transients.
The Copies
But Edinburgh never scanned the originals. They scanned glass duplicates. The originals still sleep in their drawers at Palomar.
Hambly's argument: some of these "transients" may not be sky at all. They are dust, emulsion holes, fibres — defects in the glass copies, picked up at high resolution and indistinguishable from real stars.
"There'd be nobody happier than me if they are right. But I suspect they are wrong."
— Dr. Nigel Hambly,
Royal Observatory Edinburgh
Back at Dr. Beatriz's laboratory.
She wants more data — either to shore this up, or to put the artifact problem to bed for good.
HER SOLUTION: A TEST TO PROVE THEY ARE REAL.
By now Villarroel's catalogue has grown well beyond the original nine — over 100,000 short-lived transients picked out of the POSS-I plates.
What are they?
If the transients are real — if we're seeing sunlight glinting off actual objects in orbit — we can predict where they shouldn't appear. Earth always casts a shadow into space. Anything reflective inside that shadow has no sunlight available to reflect. It must go dark.
Sun on the left · Earth in the middle · Satellite in orbit · Palomar watching
So out of a hundred thousand candidate transients, fewer should land inside Earth's shadow than pure chance predicts.
Defects on the plate don't respond to a shadow — but real objects do…
The result · published 2025.
Expected from geometry
1.15 %
Observed in shadow
0.328 %
Statistical significance
21.9 σ
In plain language: out of every thousand transients, you'd expect about eleven to land inside Earth's shadow by chance. Only three actually do. More than three times fewer than the sky should contain.
The 21.9 σ figure is statistician-speak for this is not a coincidence. The chance of getting a deficit this big from random data is, for all practical purposes, zero.
The conclusion is hard to escape: these flashes are real, reflective objects orbiting the Earth.
Back to Edinburgh.
The Bomb and the Lights
The atomic cocktail parties of 1952.
Dr. Villarroel had noticed something.
The plates with the most transients seemed to be the ones taken close to the days the United States detonated atomic weapons. A hunch. She needed help to test it.
Nashville. Vanderbilt University.
Dr. Stephen Bruehl. Clinical psychologist — expert at pulling signal from noise. He studies pain: the fuzzy, noisy human kind. Villarroel sends him a drive — 2,718 nights of transient data. She wants him to test her hunch.
HE PUTS HER HUNCH UNDER A MICROSCOPE.
HER HUNCH WAS RIGHT.
On a typical Palomar night with no nearby nuclear bomb test, transients show up on about 11% of nights.
The day after a test, that jumps to 18.5%.
Same instrument. Same plates. Same observers. The bombs are the only variable.
THE SHADOW FILTER
Then they ran it again, but this time only on the transients that had passed Villarroel's shadow test. The ones that look like real, reflective objects.
The signal more than doubles.
IRR = 3.527 · 95% CI 2.80–4.45 · p < 0.0001
"The magnitude of the association between these flashes of light and nuclear tests was surprising — as was the very specific time at which they most often occurred: namely, the day after a test."
— Dr. Stephen Bruehl,
Vanderbilt University Medical Center
ONE DATE KEPT TURNING UP.
While searching the plates, Villarroel and her team kept finding transients on a particular night — including a triple flash that vanished within fifty minutes on a single plate. The plate was exposed at Palomar, 08:52 UT, July 19 1952.
“Apparently, in 1952, during two consecutive weekends — on the 19th of July and the 27th of July — there was the most famous UFO sighting probably during the last hundred years over Washington. And it was so big that even the US Air Force had to make a special press conference.”
— Dr. Beatriz Villarroel, Penn State chapter, "My Personal Journey Through the Unknown"
THE WASHINGTON UFO INCIDENT · JULY 19, 1952
Nugent Here's a fleet of flying saucers for you.
Barnes · National Airport We knew immediately that a very strange situation existed… their movements were completely radical compared to those of ordinary aircraft.
Airman Brady · Andrews AFB An object which appeared to be like an orange ball of fire, trailing a tail… unlike anything I had ever seen before.
Albert Chop · USAF Press Lt. Patterson radioed for instructions when the objects surrounded his fighter. Nobody answered. Because we didn’t know what to tell him.
Contemporary 1952 news comic, "Saucers Over Washington, D.C."
U.S. National Archives, public domain. The Air Force did not permit photographs of the actual radar scopes that night.
Quotes via Project Blue Book / E.J. Ruppelt, The Report on Unidentified Flying Objects (1956). Wikipedia summary →
Palomar Mountain, California.
The same night.
2,500 miles west. Same sky. The 48-inch Schmidt camera was running a fifty-minute red exposure. The observer had no radio to Washington. He didn't know what had just been photographed.
No one noticed. No one would — for seventy years.
THE SAME NIGHT, AT 08:52 UT.
Three pinpoints of light. One photographic plate. Vanished within fifty minutes. The Palomar archive logged them. The newspapers logged what flew over the White House later that night. Same date.
Top-left: the triple flash, just above center.
Top-right: 56 minutes later. Gone.
Bottom row: two months later. Still gone.
Solano, Villarroel et al. — "A bright triple transient that vanished within 50 minutes" →
MNRAS 527, 6312 (2024). Figure 2.
TEN DAYS LATER · THE PENTAGON
July 29, 1952 · Largest Pentagon press conference since World War II
“We have received and analyzed reports from credible observers of relatively incredible things.”
— Maj. Gen. John A. Samford, USAF Director of Intelligence · July 29, 1952
THE SAME EVENING’S PAPER.
THE EVENING STAR · WASHINGTON, D.C.
JULY 29, 1952
The official explanation: temperature inversions. Weather balloons. Misidentified stars. Nothing to see.
Source: Library of Congress, Chronicling America → Public domain.
SO — WHAT ARE WE DEALING WITH?
Four years on, the data tightens. The Earth-shadow holds. The nuclear-test correlation holds. In podcasts and press interviews, she starts to say what she thinks it is.
“Let's say ET sent something two hundred thousand years ago and forgot a can of Coca-Cola in space… and at some point we see these little glints.”
— Beatriz Villarroel, podcast interview, 2025.
“You don't get that kind of solar reflections from round objects… only if something is very flat and very reflective and reflects the sunlight with a short flash.”
— Beatriz Villarroel, EarthSky, October 2025.
Where is the story now?
INDEPENDENT REPLICATION
Brian Doherty
Dallas, Texas. Independent researcher.
Statistical analysis · data analytics.
No university, no lab, no funding. He pulled down the dataset, wrote his own code from scratch, and ran every test independently. The findings held up — both the nuclear-test correlation and the Earth-shadow deficit.
ANOTHER ARCHIVE, ANOTHER CONTINENT
Ivo Busko
Independent researcher · formerly STScI
Hamburg APPLAUSE archive
Maybe it was only Palomar. Maybe one telescope, one mountain, one drawer of plates. Busko looked at a different archive entirely — the digitised plates from the Hamburg Observatory’s Schmidt camera, mid-1950s. He found the same narrow, star-like flashes. Different telescope. Different continent. Same signature.
Busko (2026), arXiv:2603.20407 →
"Searching for Fast Astronomical Transients in Archival Photographic Plates"
WHEN MAGNETIC STORMS HIT
Kevin Cann
Independent researcher
Former US Navy reactor operator (USS South Carolina)
Cann asked a different question: what happens when Earth’s magnetic field gets battered? He cross-referenced the transient dates with the geomagnetic Kp index. The flashes drop sharply during strong magnetic storms. Then, twenty-five to forty-five days later — once the field has calmed and the plasma has refilled — they surge back to roughly three times baseline.
A camera defect can’t care about Earth’s magnetic field. But something trapped in that field can.
Cann (2026), arXiv:2604.04950 →
"Geomagnetic storm suppression of photographic plate transient detections in the POSS-I archive"
Villarroel I cannot find any other consistent explanation other than that we are looking at something artificial before Sputnik 1. For me, this looks technological. But I may be wrong.
About the author
I write The Digger on Substack — and this comic is a new format I'm trialling.
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The whole record
Everything cited, plus the wider corpus this comic was built from. The science holds because the receipts hold.
END
Based on peer-reviewed research published 2020–2026.
All quotes attributed to their original sources.
The Palomar Lights — a story told in data, glass, and light.
DIGGER
A comics imprint for weird science and true stories.
One issue at a time.
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