'Oumuamua (1I/2017 U1)
artifact
The first object ever spotted passing through our solar system from another star sped up in a way nobody can fully explain.
Who they are
'Oumuamua, the first known interstellar object, detected in October 2017.
What they do
The engine treats it as an unexplained-anomaly case, not proof of alien technology.
How it works
It showed a non-gravitational acceleration that normal outgassing models couldn't account for, which physicist Avi Loeb flagged as anomalous. The engine files it as evidence-under-testing for the Galileo Project's alien-technology hypothesis.
Why it matters
It's held explicitly as an open question — an intriguing anomaly to test, not a confirmed alien technosignature.
The engine's record — word for word
First detected interstellar object (Oct 2017); anomalous non-gravitational acceleration unexplained by outgassing models (Loeb hypothesis). Engine treatment: substrate-evidence node for Galileo Project hypothesis testing, NOT a confirmed technosignature.
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