On The Ultra-Violet Light Theory of Aurorae and Magnetic Storms

Abstract

The ultra-violet light theory of aurorae and magnetic storms suggests (1) that because of winds and unusual production of ions the ionized region of the high atmosphere may be in violent agitation during the day of a magnetic storm, that it grows calmer at night and becomes agitated the next day if the storm continues, (2) that there may be auroral displays in polar regions with no magnetic storms in temperate latitudes, (3) that auroral displays in temperate latitudes should as a rule be accompanied by magnetic storms, and (4) that polar aurorae should follow several hours or a day after strong magnetic disturbances observed in temperate latitudes. These inferences are shown to be in agreement with the data from magnetic observatories and observations of aurorae in temperate and polar latitudes.