NASA | Ring-shaped Prominence Erupts fro...

NASA | Ring-shaped Prominence Erupts from Sun An Earth-directed coronal mass ejection (CME) on Jan. 31, 2013 was accompanied by a large prominence eruption best visible in light with a wavelength of 304 angstroms. NASA's Solar Dynamics Observatory captured this footage from 10 p.m. EST on Jan. 30, 2013, to 4 a.m.

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