Tag

Wasp 39b

All articles tagged with #wasp 39b

science7 days ago•5 min saved

JWST Discovers Semi-Heavy Water on a Faraway World, Revealing Its Water History

Astronomers using the James Webb Space Telescope detected semi-heavy water (HDO) in the atmosphere of the hot exoplanet WASP-39b and measured an elevated deuterium-to-hydrogen (D/H) ratio. This suggests WASP-39b’s water may have originated beyond the snow line and/or been shaped by atmospheric escape, offering insights into the planet’s formation and chemical history. WASP-39b is not habitable, but such isotopologue measurements help illuminate how giant planets acquire and lose water over time.

via ScienceAlert|

#deuterium-to-hydrogen-ratio #exoplanet-formation #jwst

science-and-technology2 years ago•1 min saved

"Webb Telescope Unveils Extreme Temperature Differences on Distant Exoplanet"

The exoplanet WASP-39b, located 700 light-years away, has a bizarre weather pattern where its permanently dark side is 300 degrees hotter than its permanently light side. This phenomenon is due to powerful winds transferring heat from the star-facing side to the dark side. The Webb Space Telescope's near-infrared spectrograph helped scientists uncover these findings, revealing complex atmospheric dynamics and prompting further study of other tidally locked exoplanets.

via Gizmodo|

#atmospheric-science #exoplanet #science-and-technology

astronomy3 years ago•2 min saved

Webb telescope analyzes chemistry of hot gas giant's atmosphere.

Scientists have used data from the Webb Space Telescope to infer the chemistry of exoplanet WASP-39b, a hot gas giant located about 700 light-years from Earth. The planet's atmosphere contains carbon dioxide and sulfur dioxide, which is unexpected for a hydrogen-rich gas giant. The findings suggest that there are things going on in exoplanets that we wouldn't see in our own Solar System.

via Ars Technica|

#astronomy #exoplanets #gas-giants