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Important notice about STEREO Behind

Fast CME and prominence eruption


One of the fastest CMEs in years was captured by the STEREO COR1 telescopes on August 1, 2010. This movie, combining COR1-Ahead images with the simultaneous Helium II 304 Angstrom images from the STEREO EUVI telescope, shows the rapid explosion of material outward, followed by a slower eruption of a polar crown prominence from another part of the Sun. This CME is seen to be heading towards Earth at speeds well over 1000 kilometers per second.

Last Revised: March 19, 2018 15:00:39 UTC
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