Sentences with phrase «wandering nearby fields»

Not exact matches

GCRs are modulated by both solar magnetic field, which is largely unpredictable in strength except for generalities associated with 11 - year sunspot cycle and is also modulated by unpredictable events like nearby supernovas, and by more predictable very very long slow changes in intensity due to the solar system traversing spiral arms of our galaxy and wandering above and below the galactic plane in cycles lasting tens and hundreds of millions of years.