'Puffy' super-Neptune emerges 383 light-years away with a density of just 0.4 g/cm³

Using the Subaru Telescope, astronomers have conducted follow-up observations of a recently discovered exoplanet known as TOI-1883 b.

Results of the new observations, published June 5 on the arXiv preprint server, indicate that TOI-1883 b is a low-density super-Neptune. ...