Scientists spotted an unheard-of planet. Webb just peered into it.

In deep space, far beyond our solar system, astronomers have spotted loads of super-Earths, mini-Neptunes, and hot Jupiters.But only once have they found an "ultra-hot Neptune" — a Neptune-size world orbiting extremely close to its star. A year lasts under a day on this scorching planet, dubbed "LTT 9779 b." After discovering this curious world in 2020, scientists have now used the powerful James Webb Space Telescope to peer into the exoplanet's atmosphere and better grasp how such a world