interstellar comet News

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• Interstellar Comet 3I/ATLAS Reveals Water Chemistry Drastically Different From Any Known Solar System Body

  Published: May 1, 2026

  Section: Innovations in Space

  Astronomers analyzing the interstellar visitor 3I/ATLAS have discovered a chemical water signature with deuterium levels 30 times higher than comets from our solar system. The find...

• Subaru Telescope Detects Chemical Shift in Interstellar Comet 3I/ATLAS Following Solar Approach

  Published: Apr 15, 2026

  Section: Research

  Astronomers using the Subaru Telescope have observed a significant change in the chemical composition of the interstellar visitor 3I/ATLAS after its closest pass to the Sun. Data r...

• Interstellar Comet 3I/ATLAS Approaches Jupiter for a Rare Gravitational Encounter Before Exiting the Solar System

  Published: Feb 28, 2026

  Section: Research

  The third confirmed interstellar object, 3I/ATLAS, is scheduled for a significant close approach to Jupiter on March 16, passing near the gas giant’s Hill radius. This encounter ma...