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Orgo-Life the new way to the future Advertising by AdpathwaySo why would anyone use 1950s materials as a data source?
If I remember correctly, it was because it was before the space race and there was theoretically no human made space junk.
Ah. That sort of makes sense, but we do have radar tracking near-Earth objects down to about 10cm / 4 inches size now.
This series of visualizations illustrates the population of objects orbiting Earth as of February 2024. The data comes from United States Space Command (USSPACECOM), via space-track.org, which maintains a publicly available catalog of trackable objects in space. These include active satellites, defunct spacecraft, rocket bodies, and debris fragments larger than roughly 10 cm in low Earth orbit.
NASA Scientific Visualization Studio, "Tracking Satellites and Space Debris in Earth Orbit (Feb 2024)", https://svs.gsfc.nasa.gov/5258
(Satellite-sized objects out to at least geosynchronous orbit are also tracked).
So we have vastly better means of detecting objects in Earth orbit than existed in the 1950s- and they are not dependent on reflecting sunlight, as Beatriz theorizes her transients are:
A striking clue emerged from their analysis: a significant lack of transients in regions of the sky within the Earth's shadow, suggesting that solar reflection plays a crucial role in these events.
This observation supports the theory that the transients may be caused by short, subsecondary flashes from objects illuminated by the Sun, possibly in orbits similar to those used by modern satellites.
Newsvoice, [Swedish language], "Study: Flashes of light in 1950s sky hint at possible artificial origin", 01 August 2025, https://newsvoice.se/2025/08/ljusblixtar-pa-1950-talet/; the published paper is in English.
[Being pedantic, the authors mean "subsecond", not "subsecondary".]
Our current means- chiefly radar- can detect in all directions.
Most of this information is publicly available (or at least available to serious researchers), meaning that Beatriz and her colleagues could use it to rule out known objects in Earth orbit.
So they could have- funding allowing- conducted a new sky survey, using greatly superior equipment, while still excluding known orbiting objects.
They know this, but instead chose to review 1940s/ 1950s photographic images.
... ...
The authors write
This study should be viewed as an initial exploration into the potential of archival photographic surveys to reveal transient phenomena, and we hope it motivates more systematic searches across historical datasets
Hang on... they claim their research raises the possibility that artefacts, of extraterrestrial intelligence origin, were orbiting Earth (or otherwise in close proximity to Earth) in the late 1940s/ 1950s.
But they don't want to prioritize looking to see if there are any there now?
They "...hope it motivates more systematic searches across historical datasets"?
Why are they not proposing, as a matter of urgency, that the much better telescopes and radar we have now are used in a survey of near-Earth space? Why not ask the Sol Foundation to fund such an enterprise?
Why is promoting examination of historical (i.e. resulting from the use of older technology) datasets their priority?
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