Assertion: magnetic field's direction | /r/HasProperty | changed
Facets:
Source sentences:
text: The solar wind is supersonic and passes through a bow shock where the direction of flow is changed so that most of the solar wind plasma is deflected to either side of the magnetopause, much like water is deflected before the bow of a ship.
text: So no work is done and no change in the magnitude of the velocity is produced (though the direction of momentum may be changed).