TERMIUM Plus^®

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The Sun emits a steady flow of electrically-charged particles called the solar wind. As the solar wind expands supersonically into space, it creates a magnetized bubble around the Sun -- the heliosphere. Eventually, the solar wind runs into the electrically-charged particles and magnetic field in the interstellar gas. The solar wind abruptly slows down from supersonic to subsonic speed, creating a termination shock. Before both spacecraft travel beyond the heliopause into interstellar space, they must pass through that shockwave.  2, fiche 1, Anglais, - termination%20shock

Fiche 1,  Justifications,  Français

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