What Does It Take To Be X-Class?

  • Released Tuesday, December 20, 2011
  • Updated Thursday, December 3, 2015 at 12:35PM
  • ID: 10833

NASA's Solar Dynamics Observatory (SDO) has created unprecedented views of solar explosions, like this one on Feb. 15, 2011.

NASA's Solar Dynamics Observatory (SDO) has created unprecedented views of solar explosions, like this one on Feb. 15, 2011.

The "Halloween storm" of 2003 created the strongest solar flare ever recorded. Sensors cut out at X17 but it was ultimately estimated as an X45.

The "Halloween storm" of 2003 created the strongest solar flare ever recorded. Sensors cut out at X17 but it was ultimately estimated as an X45.

For More Information

See NASA.gov



Credits

Please give credit for this item to:
NASA's Goddard Space Flight Center



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