Monday, June 4th 2012, 7:23 AM EDT
'CH' STANDS FOR ... CHICKEN? A big dark hole in the sun's atmosphere, a 'coronal hole', is turning toward Earth spewing solar wind. According to NASA's official rubber chicken, it looks an awful lot like a bird:
Coronal holes are places where the sun's magnetic field opens up and allows the solar wind to escape. A chicken-shaped stream of solar wind flowing from this coronal hole will reach Earth on June 5th - 7th, possibly stirring geomagnetic storms. High-latitude sky watchers should be alert for auroras.
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