Physics
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8119993b&link_type=abstract
Unknown
Physics
Deceleration, Deflection, Earth (Planet), Explorer 50 Satellite, International Sun Earth Explorer 2, Solar Wind, Bow Waves, Interplanetary Medium, Ion Density (Concentration), Particle Acceleration, Shock Waves
Scientific paper
The deceleration of the solar wind in the region of the interplanetary space filled by ions backstreaming from the Earth bow shock was studied using a two spacecraft technique. This deceleration, which is correlated with the "diffuse" but not with the "reflected" ion population, depends on the solar wind bulk velocity: at low velocities (below 300 km/sec) the velocity decrease is about 5 km/sec, while at higher velocities (above 400 km/sec) the decrease may be as large as 30 km/sec. Along with this deceleration, the solar wind undergoes a deflection of about 1 deg away from the direction of the Earth bow shock. The energy balance shows that the kinetic energy loss far exceeds the thermal energy which is possibly gained by the solar wind, therefore, at least part of this energy must go into waves and/or into the backstreaming ions.
Bonifazi Carla
Lazarus Andrew J.
Moreno Giovani
Sullivan David J.
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