Tag Archives: diameter

Is the Nucleus of 3I/ATLAS 15 kilometers in diameter? | by Avi Loeb | Sep, 2025

Is the Nucleus of 3I/ATLAS 15 kilometers in diameter? | by Avi Loeb | Sep, 2025

Press enter or click to view image in full size Data from the Zwicky Transient Facility (ZTF) camera for the evolution in the reflecting area of 3I/ATLAS as a function of time, relative to a model in which the nucleus of 3I/ATLAS is 5.6 kilometers in diameter. An early phase — marked “plateau”, precedes a late phase — marked “uniform …

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