Contemporaneous spectral imaging of Jupiter by Galileo/NIMS and Cassini/VIMS: preliminary science results
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The Galileo Near Infrared Mapping Spectrometer obtains spectral images in the wavelength range 0.7 to 5.2 um with a special resolving power of approximately 200. This spectral range allows NIMS to sense cloud-reflected solar radiation, thermal emission from the deep atmosphere, and auroral bands from the thermosphere of Jupiter.
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We present a dataset of ground-based full-disk images of Jupiter from 1.58 to 5.30 um with the utility of an imaging spectrometer with 1 deg. x 1 deg. resolution.
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ata from the G and R events of the Shoemaker-Levy 9 impact are given and compared. (preliminary abstract only).
The Galileo spacecraft was fortuitously situated for a direct view of the impacts of the fragments of comet Shoemaker-Levy 9 in Jupiter's atmosphere. The Galileo Near Infrared Mapping Spectrometer instrument observed several of the impact events in several discrete bands and with a temporal resolution of roughly five seconds. This report provides a preliminary description of the fireball phase.
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New limits on the methane mixing ratio within the well-mixed tropospheres of Uranus and Neptune place significant constraints on planetary formation mechanisms within the outer solar system. Our results support the conclusion of other researchers that a nontrivial amount of methane in the outer solar system was incorporated into the planets by dissolution of carbon-bearing planetesimals during the early evolutionary stages of both Uranus and Neptune.
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Several recent studies have suggested that shock decomposition of anhydrite target rocks during the K/T Chicxulub impact would have ejected tremendous amounts of sulfur gas into the stratosphere.
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