NASA's James Webb Space Telescope Discovers Fourth Planet in Kepler-51 System https://ift.tt/B214iaR NASA's James Webb Space Telescope Discovers Fourth Planet in Kepler-51 System A recent study published in The Astronomical Journal has revealed the discovery of a fourth planet in the Kepler-51 system, an already remarkable planetary system known for hosting three ultra-low-density "super-puff" planets. This discovery was made by a research team led by Dr Jessica Libby-Roberts, a postdoctoral fellow at Penn State's Centre for Exoplanets and Habitable Worl…