The border between what’s a star and what’s a planet is blurry, and new findings from the James Webb Area Telescope (JWST) have made it even much less clear. These objects look like brown dwarfs, generally known as failed stars, however they’re nearer in dimension to massive planets – they would be the smallest stars ever noticed.

Kevin Luhman on the Pennsylvania State College and his colleagues noticed these three our bodies in a star-forming cluster referred to as IC 348, which is about…