Successful filming of fastest aurora flickering

Thursday, August 10, 2017 - 07:02 in Physics & Chemistry

Auroras are typically described as slowly shimmering curtains of light illuminating the sky. However, when an explosive aurora known as a breakup occurs, it sometimes leads to a flickering phenomenon. When an aurora flickers, its brightness and motion in some areas change rapidly. This flickering typically oscillates at a .1 second period, which is equivalent to the ion cyclotron frequency of oxygen ions.

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