The Sun’s magnetic field will reverse sometime in the next three to four months, according to NASA. The Sun regularly changes polarity about every eleven years, an event which marks the mid-point of each solar cycle. This reversal will mark the mid-point, or Solar Max, of Solar Cycle 24. The resulting changes in the Sun’s magnetic influence could have an impact on the climate of Earth, and also better shield the solar system from cosmic rays.
video via ScienceAtNASA