.....2/ A Coronal Mass Ejection (CME) involves the emission of electrically charged matter and accompanying magnetic field into space. When it hits the earth, it interacts with the earth's magnetic field and produces Geomagnetically Induced Currents (GIC) on the crust.
— Sangeetha Abdu Jyothi (@sangeetha_a_j) July 29, 2021
[Image: NASA] pic.twitter.com/BO910bko5S