A large hourglass-shaped hole in the sun’s atmosphere is facing Earth and spewing solar wind in our direction. Estimated time of arrival: Aug. 5th-6th. NOAA forecasters say that minor G1-class geomagnetic storms are possible when the gaseous material arrives. High-latitude sky watchers should be alert for auroras, especially in the southern hemisphere where winter darkness favors visibility.
Source:http://spaceweather.com
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