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Space.com·3 min read·hard

Astronomers may have discovered the 1st moon outside of our solar system — or is it something weirder? - Space

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Robert Lea
Astronomers may have discovered the 1st moon outside of our solar system — or is it something weirder? - Space
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Astronomers studying the star system CD-35 2722 have identified an object that challenges current definitions of planets and moons. The discovery may represent the first confirmed exomoon, though its unique characteristics are causing scientists to reconsider planetary classification.

Why it matters

Expanding our understanding of exomoons is crucial for the search for life and the study of planetary formation in the universe.

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Exoplanets Astronomers may have discovered the 1st moon outside of our solar system - or is it something weirder? News By Robert Lea Published 22 July 2026 "This system is somewhat hard to define using solar-system-based words like 'planet' and 'moon.'"

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