Home > Astronomy, Aurorae, CME (Coronal Mass Ejections), Earth, Solar System, Sun > Big Sunspot Unleashes X-flare & CME

Big Sunspot Unleashes X-flare & CME


Solar activity is now high. Big sunspot AR1429, which emerged on March 2nd, is crackling with strong flares. The strongest so far, an X1-class eruption, occured just ths morning, March 5th at 0413 UT. NASA’s Solar Dynamics Observatory recorded the extreme ultraviolet flash:

The explosion also hurled a bright coronal mass ejection (CME) into space: SOHO movie. The expanding cloud will probably deliver a glancing blow to Earth’s magnetic field on March 6th or 7th. (Stay tuned for updates on this possibility as more data arrive.) High-latitude sky watchers should be alert for auroras in the nights ahead.

Auroras alerts: textphone.

Full Story: http://spaceweather.com/archive.php?view=1&day=05&month=03&year=2012

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