Friday, September 12, 2014

Tonight's Sky for September 12: Solar Storm, Round 2


The second of two coronal mass ejections (CMEs) hit Earth's upper atmosphere today. This comes on than ye the heels of another CME that hit yesterday and sparked displays of the Northern Lights (aurora) as far South as Arizona. As for the CME that hit today, it was slightly stronger than the one that hit yesterday. That, combined with the atmospheric 'aftershocks' still reverberating from yesterday's impact make tonight even more friendly for the possibility of seeing aurora. Needless to say, if your sky is clear, tonight's a good one to look up!

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