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Skywatch: Astronomers find clues to interstellar comet’s structure | Honolulu Star-Advertiser
Subaru Telescope data suggest the comet’s coma chemistry is changing as it warms, with a lower carbon dioxide-to-water ratio than earlier space-telescope results.
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Scientists trace latest interstellar comet’s home to a cold, isolated corner of the Milky Way - WXXV News 25
By MARCIA DUNN CAPE CANAVERAL, Fla. (AP) — The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that had yet to gel into its own solar system, astronomers reported Thursday. Comet 3I/Atlas is only the third interstellar visitor to be confirmed and quite possibly the oldest. Scientists estimate it could be up to 11 billion years old, more than twice as old as the sun. A team led b…
Interstellar comet 3I/ATLAS born in a cold environment
Comet 3I/ATLAS, about 3 weeks after its closest approach to the sun. The Gemini North telescope on Mauna Kea in Hawaii obtained this optical image on November 26, 2025. Image via International Gemini Observatory/ NOIRLab/ NSF/ AURA/ B. Bolin/ J. Miller/ M. Rodriguez/ T.A. Rector/ M. Zamani (CC BY 4.0). Science news, night sky events and beautiful photos, all in one place. Click here to subscribe to our free daily newsletter. Interstellar comet …
The new observations of the Subaru telescope reveal internal alterations in this interstellar object after its passage through the perihelion The interstellar comet 3I/ATLAS continues to surprise the scientific community. A team of Japanese researchers has confirmed that this object, one of the most enigmatic detected in recent years, underwent changes in its composition after approaching the Sun, which brings new clues about its nature and orig…
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