exosatellite tagged posts

Artist’s impression of CD-35 2722, a system with a moon-like object (Credit: ESO/M. Kornmesser)

Astronomers have uncovered evidence of a bizarre, potentially historic discovery: the first moon ever detected beyond our Solar System. Unlike familiar moons, this mysterious object is at least as massive as Jupiter and orbits a browndwarf, which itself circles a star. The unusual arrangement challenges traditional definitions of planets and moons, leaving scientists unsure what to call it.

Astronomers may have found the first moon beyond our Solar System, but the mysterious object is unlike any moon we know. Observations from the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have uncovered evidence of an enormous moon-like body in the CD-35 2722 star system...