James Webb Space Telescope spies record-breaking 'failed star' that shouldn't exist (video) The James Webb Space Telescope has observed record-breaking free-floating "failed star" and two other brown dwarfs. The discovery could help scientists better determine where the line between a planet and a star is drawn. https://cdn.mos.cms.futurecdn.net/okDb5xJnqg8xkUc8HiPqnc.jpg https://www.space.com/james-webb-space-telescope-record-breaking-failed-star-and-two-brown-dwarfs