3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft.

The images, captured on Nov. 8, show at least seven distinct jets, “some of which are anti-tails in the sunward direction,” Dr. Avi Loeb wrote in a piece published on Medium on Saturday.

The Harvard astrophysicist speculated that the jets could be “coming from a set of thrusters used for navigation of a spacecraft.”

The images, captured on Nov. 8, show at least seven distinct jets, “some of which are anti-tails in the sunward direction,” Dr. Avi Loeb wrote in a piece published on Medium on Saturday. A. Ivanov et al.

However, he also conceded that the jets could be “associated with pockets of ice on the surfac

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