Termination Shock

Where particles from the Sun begin to slow and clash with matter from the sparse gas found between the stars. At this point the solar wind slows abruptly from a speed in the range 1.1-2.4 million km/h and becomes denser and hotter. Changes in the speed and pressure of the solar wind cause the termination shock to expand, contract and ripple.

The location of the termination shock is hard to predict as conditions in interstellar space are not well known.

See also: Bow Shock, Heliopause, Heliosheath, Solar System, Solar Wind.

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Subjects: Astronomy Physics