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Coronal mass ejections more extreme than previous thought

Date: 02 October 2020 Tags: Space
  • A new study by the Imperial College London has shown how CMEs could be more extreme than previously thought when two events follow each other.
  • CMEs can be catastrophic, causing power blackouts that would disable anything plugged into a socket and damage transformers that could take years to repair. Accurate monitoring and predictions are, therefore, essential to minimizing damage.
  • When they reach Earth, these solar storms trigger amazing auroral displays and disrupt power grids, satellites, and communications.
  • Coronal Mass Ejections (CMEs) are large expulsions of plasma and magnetic fields from the Sun’s corona.
  • They can eject billions of tons of coronal material and carry an embedded magnetic field (frozen in flux) stronger than the background solar wind interplanetary magnetic field (IMF) strength.