41 light-years away is the small, rocky planet LHS 475 b. At 99% of Earth’s diameter, it’s almost exactly the same size as our home world. This marks the first time researchers have used Webb to confirm an exoplanet. Dr. Rogier Windhorst, one of the world’s six Interdisciplinary Scientists for NASA’s 6.5 meter James Webb Space Telescope, joins the show with details.
