The solar wind is a stream of charged particles -a plasma-ejected from the upper atmosphere of the sun. It consists mostly of electrons and protons with energies of about 1 ke V. These particles are able to escape the sun’s gravity, in part because of the high temperature of the corona, but also because of high kinetic energy that particles gain through a process that is not well-understood at this time. The solar wind creates the Heliosphere, a vast bubble in the interstellar medium surrounding the solar system. Other phenomena include geomagnetic storms that can knock out power grids on Earth, the aurorae such as the Northern Lights, and the plasma tails of comets that always point away from the sun. This new book presents the latest research in the world on this topic.
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