Ecliptic plane
Axial field orientation
from Multi-spacecraft
Observations (Helios
1&2, Voyager 2, IMP 8
Flux Rope Structure from
Force Free equilibrium
calculations
(Burlaga et al., 1981)
IMP8,
He 2
AXIS
.3 AU
Mag. Pressure
> Ambient
Pressure
Vo2
Width:
0.25 AU