Physics
Scientific paper
May 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.2708s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, May 1, 1984, p. 2708-2714.
Physics
42
Bow Waves, Mach Cones, Planetary Magnetic Fields, Solar Planetary Interactions, Solar Wind, Asymptotic Properties, Gas Dynamics, Interplanetary Magnetic Fields, Magnetohydrodynamic Waves, Terrestrial Planets, Planets, Mach Cones, Theoretical Studies, Observations, Bow Shock, Techniques, Procedure, Models, Position(Location), Shape, Flow, Physical Properties, Venus, Mars, Earth, Distance, Calculations, Magnetohydrodynamics, Gases, Dynamics, Solar Wind
Scientific paper
This study uses observations by a number of spacecraft to investigate the asymptotic behavior of planetary bow shocks. Toward this end a single standard method has been used to model distant bow shock position and shape. Mach cone angles of 13.9±2°, 11.4±3°, and 8.1±4° at Venus, Earth, and Mars, respectively, were determined from the observational shock models. These cone angles and their decrease with growing distance from the sun are consistent with downstream bow shock position being limited by the MHD fast mode Mach number. Gas dynamic solutions for solar wind flow about Venus, Earth, and Mars were computed up to 50 ROB(i.e., obstacle radii) behind each planet and compared with observed bow shock location.
Holzer Robert E.
Slavin James Arthur
Spreiter John R.
Stahara Stephen S.
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