Tuesday, October 28, 2025

Spying Interstellar Comet 3I/ATLAS Near Perihelion

Comet 3I/ATLAS 'going green' in late September. Credit: Gerald Rhemann/Michael Jager.

Everyone’s favorite interstellar comet 3I/ATLAS isn’t really hiding near perihelion this week, as amateur astronomers reveal. Don’t believe the breathless ballyhoo that you’re currently reading around the web about interstellar Comet 3I/ATLAS. In a clockwork Universe, comets are the big wildcard, and interstellar comets doubly so. This particular comet is scientifically interesting enough in its own right, no alien interlopers needed.



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