WASP-39 b - Science@NASA
Aug 28, 2025 · WASP-39 b is a gas giant exoplanet that orbits a G-type star. Its mass is 0.281 Jupiters, it takes 4.1 days to complete one orbit of its star, and is 0.04828 AU from its star. Its discovery was …
WASP-39b - Wikipedia
WASP-39b's atmospheric transmission spectrum captured by Webb’s Near-Infrared Spectrograph (NIRSpec) reveals first clear evidence for carbon dioxide in a planet outside the Solar System.
As Never Seen Before: NASA’s Webb Reveals an Exoplanet Unlike Any …
Nov 23, 2022 · WASP-39 b is a planet unlike any in our solar system – a Saturn-sized behemoth that orbits its star closer than Mercury is to our Sun. When NASA’s James Webb Space Telescope …
Webb telescope 1st close look at exoplanet atmosphere
Nov 26, 2022 · The molecular and chemical profile of WASP-39b unveils the planet’s atmosphere in unprecedented detail. This includes the first detection of sulfur dioxide in the atmosphere of an …
James Webb Space Telescope reveals alien planet's atmosphere like …
Nov 22, 2022 · The exoplanet WASP-39b, which orbits a star in the constellation Virgo, made headlines in late August when the James Webb Space Telescope (Webb or JWST) found carbon dioxide in its …
NASA’s Webb Reveals an Exoplanet Atmosphere as Never Seen Before
Nov 22, 2022 · The telescope’s array of highly sensitive instruments was trained on the atmosphere of WASP-39 b, a “hot Saturn” (a planet about as massive as Saturn but in an orbit tighter than Mercury) …
NASA’s Webb Telescope Reveals an Exoplanet Atmosphere in ‘Once ...
Nov 23, 2022 · A transmission spectrum of WASP-39b captured by Webb’s Near InfraRed Spectrograph instrument in July 2022. It reveals the rich soup of molecules in the planet’s steamy atmosphere, …
Webb Space Telescope Unveils the Strange Split Personality of WASP-39b
Jul 24, 2024 · The James Webb Space Telescope has provided a detailed analysis of WASP-39b, a tidally locked exoplanet exhibiting differing atmospheric conditions on its morning and evening sides, …
WASP-39b: What to Know About This “Hot Saturn” Exoplanet
Aug 1, 2025 · Uncover WASP-39b, a “Hot Saturn” exoplanet, offering crucial insights into the formation and atmospheric chemistry of worlds beyond our solar system.
Early Release Science of the exoplanet WASP-39b with JWST NIRCam
The Panchromatic Transmission programme observed a single exoplanet, WASP-39b, in transmission using four different instrument modes. It included overlapping wavelength coverage to cross …