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Image: Exoplanet K2-18 b Atmosphere Composition

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Original image ‎(3,840 × 2,160 pixels, file size: 949 KB, MIME type: image/jpeg)

Description: The image shows in the form of a graph the spectra of the exoplanet K2-18 b from the NIRISS and NIRSpec instruments on the JWST. The vertical y-axis is labelled as 'Amount of Light Blocked': the horizontal x-axis is labelled as 'Wavelength of Light'. The spectra is plotted as dots with short vertical lines across the graph, with the 'best-fit model' shown as a blue jagged white line.There are green, yellow and light blue vertical columns of varying thicknesses scattered across the graph indicating where variations in the line represent the presence of methane, carbon dioxide, and dimethyl sulphide, respectively.
Author: NASA, CSA, ESA, J. Olmstead, N. Madhusudhan.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes

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