LTT 9779 b, an ultra-hot Neptune, is defying expectations. With temperatures soaring to nearly 2,000°C and a tidally locked ...

A rare “ultra-hot Neptune” has revealed startling details, from near-2,000°C surface temperatures to unexpected reflective ...

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." ...

Using the James Webb Space Telescope, astronomers investigate the extreme weather patterns and atmospheric properties of exoplanet LTT 9779 b. New JWST observations with NIRISS reveal a dynamic ...

But planets the size of Neptune (in the middle of the plot) are scarce close to their star. This so-called desert of hot Neptunes shows that such alien worlds are rare, or, they were plentiful at ...

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 ...

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.