No meridional plasma flow in the heliosheath transition region

  title={No meridional plasma flow in the heliosheath transition region},
  author={Robert B. Decker and S M Krimigis and E C Roelof and M E Hill},
Over a two-year period, Voyager 1 observed a gradual slowing-down of radial plasma flow in the heliosheath to near-zero velocity after April 2010 at a distance of 113.5 astronomical units from the Sun (1 astronomical unit equals 1.5 × 108 kilometres). Voyager 1 was then about 20 astronomical units beyond the shock that terminates the free expansion of the solar wind and was immersed in the heated non-thermal plasma region called the heliosheath. The expectation from contemporary simulations was… CONTINUE READING
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