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Interstellar Object Emits Mysterious Nickel Plume, Hinting at Possible Industrial Origin
28 Aug
Summary
- Interstellar object 3I/ATLAS detected emitting unusual nickel plume
- Nickel emission differs from natural comets, suggesting industrial processes
- Physicist Avi Loeb says nickel signature could indicate technological origin

According to a recent study, an interstellar object known as 3I/ATLAS has been detected emitting a mysterious metal plume as it speeds through our Solar System. The object, which was observed by the Very Large Telescope (VLT) in Chile, is spewing a significant amount of nickel, a finding that differs sharply from the typical composition of natural comets.
Normally, comets emit nickel alongside iron, but 3I/ATLAS is only releasing nickel, a signature that Harvard physicist Avi Loeb says could be a hallmark of industrial production of nickel alloys. Loeb highlighted this anomaly, noting that the nickel emission rate is rising steeply as the object approaches the sun, reaching around 5 grams per second.
The object is also emitting cyanide at a rate of 20 grams per second, with both the nickel and cyanide levels increasing dramatically as 3I/ATLAS moves closer to the inner Solar System. Loeb suggests that this data constitutes a new anomaly, as natural comets generally show iron and nickel together, as both are produced in supernova ejecta.
The physicist has raised the possibility that the unusual nickel signature could be a clue to the object's potential technological origin, hinting at the possibility of industrial processes at work. As this interstellar visitor continues to be studied, the scientific community will be closely watching for any further insights that could shed light on its mysterious composition and origins.