New ‘exomoon’ detection challenges cosmic labels @ESOobservatory
New ‘exomoon’ detection challenges cosmic labels  @ESOobservatory
Uploaded July 2026 | Updated September 2026, 2 weeks ago
Using ESO’s Very Large Telescope (VLT), astronomers have found an object in another planetary system that challenges astronomical labels. The object resembles a moon in that it orbits another object which in turn orbits a star. But the newly found ‘moon’ is itself as massive as a planet, and the object it orbits is neither a planet nor a star. This video summarises the discovery.

For more details, check: eso.org/public/news/eso2610

Members of the media can request a version of this video without the overset text by emailing press@eso.org.

Credit: ESO
Music: Stellardrone - To The Great Beyond.
Written by: M. Lopes.
Edited by: V. González.
Footage and photos: ESO, L. Calçada, M. Kornmesser, C. Malin, B. Tafreshi.

More information and download options: eso.org/public/videos/eso2610a
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New ‘exomoon’ detection challenges cosmic labels

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