Hubble Captures Collision of Two Planetesimals around Fomalhaut

22:31 - 19 Dec 2025

Fomalhaut -- the 18th brightest star visible in night sky -- is orbited by a compact source, Fomalhaut b, which has previously been interpreted as either a dust-enshrouded exoplanet or a dust cloud generated by the collision of two planetesimals.

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