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Extreme Ultraviolet Observations from Voyager 1 Encounter with Jupiter

Broadfoot, A. L., Belton, M. J. S., Takacs, P. Z., Sandel, B. R., Shemansky, D. E., Holberg, J. B., Ajello, J. M., Atreya, S. K., Donahue, T. M., Moos, H. W., Bertaux, J. L., Blamont, J. E., Strobel, D. F., McConnell, J. C., Dalgarno, A., Goody, R., McElroy, M. B.·1979·Science

Abstract

Observations of the optical extreme ultraviolet spectrum of the Jupiter planetary system during the Voyager 1 encounter have revealed previously undetected physical processes of significant proportions. Bright emission lines of S III, S IV, and O III indicating an electron temperature of 10 5 K have been identified in preliminary analyses of the Io plasma torus spectrum. Strong auroral atomic and molecular hydrogen emissions have been observed in the polar regions of Jupiter near magnetic field lines that map the torus into the atmosphere of Jupiter. The observed resonance scattering of solar hydrogen Lyman α by the atmosphere of Jupiter and the solar occultation experiment suggest a hot thermosphere (≥ 1000 K) with a large atomic hydrogen abundance. A stellar occultation by Ganymede indicates that its atmosphere is at most an exosphere.

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Metadata

Authors
Broadfoot, A. L., Belton, M. J. S., Takacs, P. Z., Sandel, B. R., Shemansky, D. E., Holberg, J. B., Ajello, J. M., Atreya, S. K., Donahue, T. M., Moos, H. W., Bertaux, J. L., Blamont, J. E., Strobel, D. F., McConnell, J. C., Dalgarno, A., Goody, R., & McElroy, M. B.
Venue
Science
Published
1979-06
Volume
204
Issue
4396
Pages
979-982
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2070923947
Cited by
761
References
0
FWCI
105.56
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Extreme Ultraviolet Observations from Voyager 1 Encounter with Jupiter. https://app.cochat.ai/papers/10.1126/science.204.4396.979
The paper
Broadfoot, A. L., Belton, M. J. S., Takacs, P. Z., Sandel, B. R., Shemansky, D. E., Holberg, J. B., Ajello, J. M., Atreya, S. K., Donahue, T. M., Moos, H. W., Bertaux, J. L., Blamont, J. E., Strobel, D. F., McConnell, J. C., Dalgarno, A., Goody, R., & McElroy, M. B. (1979). Extreme Ultraviolet Observations from Voyager 1 Encounter with Jupiter. Science. https://doi.org/10.1126/science.204.4396.979

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