View Full Version : Reader Pics: CME Spawns Awe-Inspiring Bright Red Aurorae

2011-Oct-25, 07:50 PM
Now updated with more images and video! Reports of spectacular aurora are coming in! A CME hit Earth’s magnetic field on Oct. 24, 2011 at about 1800 UT (02:00 pm EDT), spawning some stunning red sky shows. All-red aurorae are fairly rare, and are produced by high-altitude oxygen, at heights of up to 200 miles, [...]

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