Sun’s coronal mass ejection results in aurora show on Earth

Posted July 16th, 2012 by PCC STEM & filed under Geology.

Over the July 14-15, 2012 weekend and through the early morning of July 16, Earth experienced what's called a geomagnetic storm, which happens when the magnetic bubble around Earth, the magnetosphere, quickly changes shape and size in response to incoming energy from the sun. In this case that energy came from a coronal mass ejection (CME) associated with a July 12 X-class flare.

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