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Exotic Exosatellite Defies Solar System Labels
22 Jul
Summary
- A giant gas world orbits a brown dwarf, unlike any solar system moons.
- Scientists are debating terminology for this unique celestial arrangement.
- The system is located 71 light-years away in the Milky Way galaxy.
Astronomers are encountering a planetary system in the Milky Way that is so dissimilar to our own solar system, they are struggling to find appropriate terminology. This system includes a red dwarf star orbited by a brown dwarf, an object that blurs the line between planet and star.
This brown dwarf is orbited by a gaseous world with at least 90% of Jupiter's mass. This 'exosatellite' completes an orbit every 170 days. Its size and composition are unlike any moons found in our solar system, prompting debate among scientists about how to classify it.
Researchers suggest 'exosatellite' as a placeholder term. This discovery opens a 'Pandora's box' for the scientific community, requiring theoretical models to understand the formation and prevalence of such unusual objects. The system is located approximately 71 light-years from Earth.
