The First Confirmed Exo-satellite Challenges Our Definitions of Planets and Moons

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This illustration shows the system around the star CD-35 2722, with the newly found moon-like object at the center.</p><p>Credit: ESO/M. Kornmesserhttps://www.universetoday.com/article_images/eso2610a_20260723_161917.jpg" width="1280" />

What do you call a Jupiter-like object that orbits the brown dwarf companion of a star?

Is it a planet, a moon, or something new?

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