File:PIA09252 Alice Views Jupiter and Io.jpg
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Summary[edit]
DescriptionPIA09252 Alice Views Jupiter and Io.jpg |
English: This graphic illustrates the pointing and shows the data from one of many observations made by the New Horizons Alice ultraviolet spectrometer (UVS) instrument during the Pluto-bound spacecraft's recent encounter with Jupiter. The red lines in the graphic show the scale, orientation, and position of the combined "box and slot" field of view of the Alice UVS during this observation.
The positions of Jupiter's volcanic moon, Io, the torus of ionized gas from Io, and Jupiter are shown relative to the Alice field of view. Like a prism, the spectrometer separates light from these targets into its constituent wavelengths. Io's volcanoes produce an extremely tenuous atmosphere made up primarily of sulfur dioxide gas, which, in the harsh plasma environment at Io, breaks down into its component sulfur and oxygen atoms. Alice observed the auroral glow from these atoms in Io's atmosphere and their ionized counterparts in the Io torus. Io's dayside is deliberately overexposed to bring out faint details in the plumes and on the moon's night side. The continuing eruption of the volcano Tvashtar, at the 1 o'clock position, produces an enormous plume roughly 330 kilometers (200 miles) high, which is illuminated both by sunlight and "Jupiter light." |
Date | (published) |
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: PIA09252. 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 Alice UV Spectrometer team, NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute |
Licensing[edit]
Public domainPublic domainfalsefalse |
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 | 03:56, 20 January 2017 | 736 × 810 (59 KB) | PhilipTerryGraham (talk | contribs) | User created page with UploadWizard |
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