Researchers have called it a rare ultra-hot Neptune. Thanks to images from the James Webb Space Telescope (JWST) published in Nature Astronomy, researchers are now able to see and analyze extreme ...

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." ...

Scientists using JWST have uncovered striking cloud formations and extreme heat contrasts on LTT 9779 b, a rare ultra-hot ...

Illustration of LTT 9779 b, the only known ultra-hot Neptune. This planet orbits so close to its star that its atmosphere is scorching hot, glowing from its own heat while also reflecting starlight.

Get Instant Summarized Text (Gist) The James Webb Space Telescope has provided insights into the atmosphere of LTT 9779 b, an ultra-hot Neptune located in the hot Neptune desert. The planet, which ...

but few Neptune-sized planets have been discovered in short-period orbits around their stars, creating what astronomers call a Hot Neptune desert (pink region, representing planets with radii 3-10 ...

James Webb found LTT 9779 b, a Neptune-like exoplanet with 2,000°C heat, extreme winds, and evaporating clouds—challenging ...

The exotic atmosphere of LTT 9779 b, a rare "ultra-hot Neptune," is coming to light thanks to observations via the James Webb Space Telescope led by Louis-Philippe Coulombe, a graduate student at ...

Illustration of LTT 9779 b, the only known ultra-hot Neptune. This planet orbits so close to its star that its atmosphere is scorching hot, glowing from its own heat while also reflecting starlight.