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Telescope Observations

Very Large Telescope European Southern Observatory James Webb Space Telescope Gemini South Telescope Subaru Telescope Virtual Telescope Project Hubble Space Telescope ATLAS Survey GOTO Project Canada-France-Hawaii Telescope Chiron Visibility Hubble Observations ASAS-SN Project Keck-II Telescope Solar Conjunction GW Multi-Messenger Astronomy W. M. Keck Observatory Keck Observatory Galaxy Redshifts Lunar Flash Documentation South Africa and China Observatories Visibility of Spacecraft Earth's Shadow Illusions Spectroscopy European Space Agency Vera C. Rubin Observatory

Radio Detection From 3I/ATLAS Bolsters Natural-Comet Explanation

MeerKAT measured hydroxyl absorption on October 24 after earlier non-detections, strengthening evidence that the interstellar visitor is venting water rather than emitting artificial signals.

Keck Confirms Anti-Solar Tail and Nickel-Rich Emissions From Interstellar Comet 3I/ATLAS