  In connection with the exit of mankind and its production into open space,
the problem of the nature of solar wind (SW) is acute. We have proved that a
nonequilibrium inhomogeneous giant gas discharge with huge values of the E/N
parameter, which determines the electron temperature, is realized in the
heliosphere. This quasi-stationary discharge determines the main parameters of
the slow SW in the heliosphere and is the initial background and energy
reservoir for all more powerful electrical phenomena in the heliosphere,
ionosphere and even in the upper atmosphere of the Earth and the positively
charged Sun, connected with the entire heliosphere by reverse electron flows
that are unable to leave the positively charged Sun and heliosphere. Our
article is devoted to a comparison of the experimental profiles of the global
electric field obtained using two methods: 1) by the electron velocity
distribution function (in experiments with the Parker solar probe) and 2) by
the types of positive ions in the SW (according to experiments on the Prognozz
- 7 satellite). We have proved that the Pannekoek-Rosseland-Eddington model
does not take into account the important role of high-energy runaway (escape
from the Sun) electrons and, accordingly, the duality of electron flows in the
heliosphere (from the Sun and towards the Sun). In our model, the slight
difference between the opposite currents of high-energy (running away from the
Sun) electrons and low-energy (returning to the Sun) electrons is compensated
by the current of positive ions and protons from the positively charged Sun -
SW (positive ions carry electrons with them).
