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Discovery of a celestial object challenging planet and moon categories

Astronomers have identified a celestial object with hybrid characteristics, neither planet nor moon.

Published 6sem1 sourceImportant
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The fact

The observation was made using ESO instruments.

This discovery reignites the debate on the definition of exomoons.

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Why it matters

Cette découverte pourrait redéfinir les critères de classification des corps célestes et enrichir la recherche sur les systèmes planétaires extrasolaires.

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Auto-synthesis from 1 media source · identified on July 29, 2026
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