3I/ATLAS: Methane Clues and Distinct Chemistry in an Interstellar Visitor, with Biosignature and Panspermia Debates

To the point

3I/ATLAS, the third confirmed interstellar visitor, is leaving the solar system after its 2025 perihelion, with Webb detecting methane and an unusually high methane-to-water ratio plus excess carbon dioxide that point to a chemistry unlike most solar system comets and lead Avi Loeb to speculate about possible biosignatures and panspermia, as scientists weigh what this means for life beyond Earth.

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3I/ATLAS Is Further Evidence Of Aliens Says Harvard Astrophysicist Avi Loeb After NASA Detects Methane On Exocomet
mashable.com

3I/ATLAS Is Further Evidence Of Aliens Says Harvard Astrophysicist Avi Loeb After NASA Detects Methane On Exocomet

The debate on the extraterrestrial origins of the exocomet rages on