Jupiter-mass 'exomoon' orbiting brown dwarf challenges cosmic labels

Observations made with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed evidence for a moon-like object in the CD-35 2722 system.

Unlike moons in our solar system, the newly found object does not orbit a planet, raising questions about what to name it.

Instead, it circles a brown dwarf, an object larger than a planet, that orbits the CD-35 2722 star.

If confirmed, this could be the first "moon" discovered outside our solar system. ...