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EUVE Observations of Jupiter During the Impact of Comet Shoemaker-Levy 9 | | G Randall Gladstone
; Doyle T Hall
; J Hunter Waite
; | | Date: |
16 Jun 1995 | | Journal: | Science, 268 (5217), 1595-1597 | | Abstract: | The Extreme Ultraviolet Explorer (EUVE) satellite conducted extensive observations of the jovian system before, during, and after the impact of the fragments of comet Shoemaker-Levy 9 in July 1994. About 2 to 4 hours after the impacts of several of the larger fragments, the brightness of the neutral helium (He I) resonance line at 58.4 nanometers temporarily increased by a factor of about 10. The transient 58.4-nanometer brightenings are most simply explained by resonant scattering of sunlight from the widespread high-altitude remnants of the larger impact plumes. Other possible sources of emission, such as electron impact excitation of He or radiative recombination of He(+), may contribute to the observed signal. | | Source: | PubMed, pmid17754611 doi: 10.1126/science.268.5217.1595 | | Services: | Forum | Review | Favorites | |
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