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Interstellar comet that zoomed past Earth could be oldest and coldest object ever seen in solar system, astronomers say

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

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Interstellar comet that zoomed past Earth could be oldest and coldest object ever seen in solar system,…

Comet 3I/ATLAS: 12 million years old, 10× more deuterium than solar comets, formed at –243°C—oldest, coldest object ever detected. James Webb and ALMA enabled unprecedented isotopic analysis, establishing workflow for automated chemical fingerprinting as interstellar detections accelerate.

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sabato 20 giugno 2026·economictimes.indiatimes.com
Discovered just a year ago, interstellar comet 3I/ATLAS could be one of the oldest objects ever observed by humanity
Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion years ago. This ancient visitor, detected in July 2025,…
lunedì 22 giugno 2026·nature.com
Isotopic evidence for a cold and distant origin of 3I/ATLAS - Nature
Carbon isotopic measurements of the interstellar comet 3I/ATLAS reveal that it may have formed as long ago as 12 billion years and thus represents a preserved fragment of an…

Interstellar comet that zoomed past Earth could be oldest and coldest object ever seen in solar system, astronomers say

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Interstellar comet that zoomed past Earth could be oldest and coldest object ever seen in solar system,…

Timeline cronologica

Discovered just a year ago, interstellar comet 3I/ATLAS could be one of the oldest objects ever observed by humanity

Isotopic evidence for a cold and distant origin of 3I/ATLAS - Nature

Interstellar comet likely far older than Solar System: astronomers

Interstellar comet may be oldest object seen in our solar system, scientists say

Interstellar comet likely far older than Solar System, say astronomers

Ancient interstellar comet may predate Solar System by billions of years

This comet might be 3 times older than solar system

NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS - NASA Science

Interstellar Comet 3I/ATLAS is almost as old as the universe itself

The Chemistry of Interstellar Comet 3I/ATLAS Is Unlike Anything We've Ever Seen

Ancient interstellar comet may predate Solar System by billions of years

Interstellar comet may be oldest object seen in our solar system, scientists say

Interstellar comet that zoomed past Earth could be oldest and coldest object ever seen in solar system, astronomers say

Cometa 3I/ATLAS que passou “perto” da Terra remonta aos primórdios do Universo

Interstellar comet likely far older than Solar System: astronomers

Astronomers think they may have found the oldest visitor ever to our solar system

Interstellar comet likely far older than Solar System, say astronomers

El cometa 3I/ATLAS podría ser más antiguo que el Sistema Solar, según un estudio

This comet might be 3 times older than solar system

Strange interstellar comet speculated to be alien craft is older than Solar System

Interstellaire komeet die vorig jaar langsvloog is 10 tot 12 miljard jaar oud

Webb telescope finds interstellar comet had exotic, unfamiliar chemistry

Interstellar comet 3I/ATLAS is much older than the solar system itself

Creen que el cometa 3I/ATLAS se habría formado hace unos 12.000 millones de años

Rare Interstellar Comet 3I/ATLAS Has an Astonishingly Ancient Origin