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Created August 4, 2010 by
On August 3, a coronal mass ejection (CME) hit Earth's magnetic field. The impact sparked a polar geomagnetic storm and some impressive northern and southern lights that sky watchers across the world reported seeing.
Did you glimpse the aurora last night? Share your photos and videos here and describe what the sight was like. Your submissions could be featured on CNN.
Update: This assignment is now closed. Thank you for your submissions! Check out your images in this CNN.com photo gallery.