One of these objects is twisted into a shape resembling a ballerina's skirt known as the Parker spiral and is the source of the heliospheric current sheet.
One of these objects is twisted into a shape resembling a ballerina's skirt known as the Parker spiral and is the source of the heliospheric current sheet. Changes in the most famous example of one of these objects can be seen in the orientation of particles in cooled lava; those changes are reversals. One example of this object is produced by flowing currents in the outer core. For 10 points, name this type of field, one of which surrounds Earth and protects it from ultraviolet radiation.
One of these objects is twisted into a shape resembling a ballerina's skirt known as the Parker spiral and is the source of the heliospheric current sheet.
MAGNETIC FIELDS