File:-square version- NASA’s Webb Reveals Steamy Atmosphere of Distant Planet in Detail (52211111492).jpg
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editDescription-square version- NASA’s Webb Reveals Steamy Atmosphere of Distant Planet in Detail (52211111492).jpg |
Clouds are in the forecast for exoplanet WASP-96 b! The James Webb Space Telescope spotted the unambiguous signature of water, indications of haze & evidence for clouds (once thought not to exist there). This is the most detailed exoplanet spectrum to date! More: nasa.gov/webbfirstimages/ A spectrum is created when light is split into a rainbow of colors. When Webb observes the light of a star, filtered through the atmosphere of its planet, its spectrographs split up the light into an infrared rainbow. By analyzing that light, scientists can look for the characteristic signatures of specific elements or molecules in the spectrum. Located in the southern-sky constellation Phoenix, WASP-96 b is 1,150 light-years away. It’s a large, hot planet with a “puffy” atmosphere, orbiting very close to its Sun-like star. In fact, its temperature is greater than 1000 degrees F (537 degrees C) — significantly hotter than any planet in our own solar system! Please note that the illustration in the background of the image is based on what we know of WASP-96b. Webb hasn't directly imaged the planet or its atmosphere. (Fun fact: space is big and planets are small — though Webb CAN image exoplanets directly, the images would just show a dot of light. Consider that though Pluto is in our own solar system, it is still so far that we didn’t know what it really looked like until New Horizons visited it.) Image Description: Graphic titled “Hot Gas Giant Exoplanet WASP-96 b Atmosphere Composition, NIRISS Single-Object Slitless Spectroscopy.” The graphic shows the transmission spectrum of the hot gas giant exoplanet WASP-96 b captured using Webb's NIRISS Single-Object Slitless Spectroscopy with an illustration of the planet and its star in the background. The data points are plotted on a graph of amount of light blocked in parts per million versus wavelength of light in microns. A curvy blue line represents a best-fit model. Four prominent peaks visible in the data and model are labeled “water, H2O.” Credits: NASA, ESA, CSA, and STScI |
Date | |
Source | [square version] NASA’s Webb Reveals Steamy Atmosphere of Distant Planet in Detail |
Author | NASA's James Webb Space Telescope from Greenbelt, MD, USA |
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This image was originally posted to Flickr by James Webb Space Telescope at https://flickr.com/photos/50785054@N03/52211111492. It was reviewed on 6 June 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
6 June 2023
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