Sun Blasts Huge Magnetic Bubble at Earth discoverynews: For the...
14 Jun 2012, 20:00 UTC
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Sun Blasts Huge Magnetic Bubble at Earth
discoverynews:
For the second day in a row, an active region on the sun has erupted with a coronal mass ejection, blasting the beautifully dynamic magnetic bubble of energetic plasma in the direction of Earth.
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(From spaceweather.com: “The fast-moving (1360 km/s) cloud isexpected to hit our planet’s magnetic field on June 16th at 14:00 UT, possibly sparking a geomagnetic storm. High-latitude sky watchers should be alert for auroras.” That time is about 10AM EDT on Saturday, but there is always some uncertainty in the delay between the arrival of a coronal mass ejection on Earth and the onset of aurorae. -JCB)
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