Alternate Definitions for halo CME

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Term: halo CME
Definition:

CMEs that appear to surround the occulting disk of the coronagraph. The CME can originate from the front or back side of the Sun, and therefore are travelling either towards or away from the observer. About 70% of Earth directed halo CMEs are geoeffective.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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