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Sympathetic Solar Flares

Sympathetic Solar Flares IAS Toppers

NASA captured four sympathetic solar flares that erupted simultaneously.

Sympathetic Solar Flares IAS Toppers
[Ref: businessinsider]

About Sympathetic Solar Flares:

  • Sympathetic solar flares are triggered by multiple eruptions across the Sun’s magnetic field.
  • These eruptions are connected through massive magnetic field loops that hover above the solar surface.
  • The phenomenon occurs when one flare sets off others, leading to coronal mass ejections (CMEs) and significant plasma releases.
  • This activity often signals the Sun nearing the peak of its 11-year cycle, referred to as the solar maximum, characterized by heightened solar events.
  • 2023 has seen three sympathetic flare events, including a duo of X-class flares in March and smaller ones earlier in the year.
  • The emission of four flares simultaneously has been described as a “super-sympathetic” event, a rare occurrence given most past events involved only two linked flares.

Impact on Earth

  • When directed towards Earth, sympathetic flares have the potential to disrupt power grids, and telecommunication networks, and damage orbiting satellites.
    • They can also pose severe radiation risks to astronauts.
  • Even relatively minor events, like the anticipated G1 class geomagnetic storms, could extend the auroras to lower latitudes, offering unusual visual displays.
  • These flares and resultant geomagnetic storms highlight the ongoing need to understand the Sun’s complex life cycle and prepare for its varying impacts on Earth.

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