The biggest geomagnetic storm in 20 years: NASA's lessons and surprises - Phys.org

  • Mara Johnson-Groh |
  • Technology |
  • Phys.Org |
  • 05-12-2025 |
  • 30

NASA's Solar Dynamics Observatory captured this image of the Sun on May 7, 2024, in extreme ultraviolet light (at a wavelength of 304 Ångstroms). At center, the active region that instigated the Gann…

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