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Sun emits Earth-directed CME on eve of summer solstice

Last Updated: Saturday, June 22, 2013 - 13:14

Washington: The sun erupted with an Earth-directed coronal mass ejection or CME on June 20 at 11:24 pm.

These particles cannot travel through the atmosphere to harm humans on Earth, but they can affect electronic systems in satellites and on the ground.

Experimental NASA research models, based on observations from NASA`s Solar Terrestrial Relations Observatory and ESA/ NASA `s Solar and Heliospheric Observatory show that the CME left the sun at speeds of around 1350 miles per second, which is a fast speed for CMEs.

Earth-directed CMEs can cause a space weather phenomenon called a geomagnetic storm, which occurs when they funnel energy into Earth`s magnetic envelope, the magnetosphere, for an extended period of time.


First Published: Saturday, June 22, 2013 - 13:13
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