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Interstellar Comet 3I/ATLAS Update – UN Planetary‑Defence Drill, New Orbit Data And NASA’s Latest Verdict (28 November 2025)

Interstellar Comet 3I/ATLAS Update – UN Planetary‑Defence Drill, New Orbit Data And NASA’s Latest Verdict (28 November 2025)

As of Friday, 28 November 2025, interstellar comet 3I/ATLAS has gone from “weird new visitor” to the centerpiece of a United Nations–endorsed planetary‑defence drill, a live trajectory experiment using spacecraft around Mars, and a lightning rod for speculation about alien technology.  The Times of
Interstellar Comet 3I/ATLAS Today (Nov. 27, 2025): UN Planetary‑Defense Drill Begins, New Trajectory Data and Fresh “Alien Probe” Claims

Interstellar Comet 3I/ATLAS Today (Nov. 27, 2025): UN Planetary‑Defense Drill Begins, New Trajectory Data and Fresh “Alien Probe” Claims

As of November 27, 2025, Earth’s newest interstellar visitor is back in the pre‑dawn sky, at the center of a United Nations planetary‑defense exercise and a wave of viral speculation. Here’s what’s actually happening with comet 3I/ATLAS today. Quick overview
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