コマ・ジェット

Astronomers say interstellar comet 3I/ATLAS experienced a small acceleration that gravity alone can't explain. Here's what the measurements mean, how jets of gas can push a comet,… 12月 17, 2025

New images and telescope data show interstellar visitor 3I/ATLAS sporting a rare sunward anti‑tail whose orientation has shifted as the object nears its closest approach on 19 Dec… 12月 15, 2025

Astronomers have observed a steady 16.16‑hour brightness oscillation from interstellar visitor 3I/ATLAS. New analyses show pulsed jets in the coma—not the solid nucleus—are drivin… 12月 02, 2025