# Astronomers may have discovered the first moon beyond our Solar System

- Source: Latest Science News -- ScienceDaily
- Published: 2026-10-25T03:13:05+00:00
- Category: Science
- Original: https://www.sciencedaily.com/releases/2026/10/261023023736.htm
- Canonical: https://groundlevelnews.com/story/astronomers-may-have-discovered-the-first-moon-beyond-our-solar-system-57873e/

Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our Solar System. Unlike familiar moons, this mysterious object is at least as massive as Jupiter and orbits a brown dwarf, which itself circles a star. The unusual arrangement challenges traditional definitions of planets and moons, leaving scientists unsure what to call it.

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