Here Comes the Solar Wind

Source - Space Weather News for Sept. 19, 2016: http://spaceweather.com

HERE COMES THE SOLAR WIND: The Arctic Circle is about to turn green. Forecasters say there is a good chance of bright auroras around the poles on Sept. 20th when a solar wind stream engulfs Earth's magnetic field. Researchers have long known that auroras favor equinoxes. The timing of the  stream could scarcely be better as it is expected to arrive only two days before the beginning of northern autumn.

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