“The first confirmed interstellar object, which Loeb suggests could be an alien artifact.”

“The first interstellar object detected by humanity was OMUA MUA discovered in October 2017.”

“The first discovered interstellar object, discussed for its anomalous non-gravitational acceleration.”

“The first discovered interstellar object, discussed as potentially being a light sail or technological debris.”

“Astronomical object whose anomalous behavior led to speculation about alien origin.”