
Astronomers Uncover 'Puffy' Super-Neptune TOI-1883 b, Challenging Planetary Formation Theories
Astronomers using the Subaru Telescope have identified TOI-1883 b as a low-density super-Neptune, located 383 light-years away with an unprecedented density of just 0.4 g/cm³. This "puffy" exoplanet challenges existing models of planetary formation and evolution.






















