TNPSC Thervupettagam

Aurora Borealis - Leh

October 17 , 2024 18 hrs 0 min 20 0
  • Auroras has appeared up the skies over Leh, India, as a severe geomagnetic storm struck Earth.
  • This event was triggered by a powerful coronal mass ejection (CME) from the Sun, which reached Earth.
  • The CME originated from an X1.8 solar flare, and it travelled at speeds exceeding 1.5 million miles per hour.
  • The National Oceanic and Atmospheric Administration (NOAA) has classified the geomagnetic storm as G4.
  • It was indicating the severe conditions that could disrupt power grids and satellite operations.
  • Solar activity peaks in cycles of 11 years, reaching their solar maximum once per cycle, which is due in 2025, and the effects of which are likely to be felt till 2026.

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