File:PIA10076 Ammonia Ice Clouds on Jupiter.jpg
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[edit]DescriptionPIA10076 Ammonia Ice Clouds on Jupiter.jpg |
English: The top cloud layer on Jupiter is thought to consist of ammonia ice, but most of that ammonia "hides" from spectrometers. It does not absorb light in the same way ammonia does. To many scientists, this implies that ammonia churned up from lower layers of the atmosphere "ages" in some way after it condenses, possibly by being covered with a photochemically generated hydrocarbon mixture. The New Horizons Linear Etalon Imaging Spectral Array (LEISA), the half of the Ralph instrument that is able to "see" in infrared wavelengths that are absorbed by ammonia ice, spotted these clouds and watched them evolve over five Jupiter days (about 40 Earth hours). In these images, spectroscopically identified fresh ammonia clouds are shown in bright blue. The largest cloud appeared as a localized source on day 1, intensified and broadened on day 2, became more diffuse on days 3 and 4, and disappeared on day 5. The diffusion seemed to follow the movement of a dark spot along the boundary of the oval region. Because the source of this ammonia lies deeper than the cloud, images like these can tell scientists much about the dynamics and heat conduction in Jupiter's lower atmosphere. |
Date | (published 9 October 2007) |
Source | Catalog page · Full-res (JPEG · TIFF) |
Author | NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute |
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA10076. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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This media is a product of the New Horizons mission Credit and attribution belongs to the Ralph telescope team, NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 18:04, 21 January 2017 | 600 × 986 (64 KB) | PhilipTerryGraham (talk | contribs) | User created page with UploadWizard |
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