Alfven surface
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See also: Alfvén surface
English[edit]
Alternative forms[edit]
Etymology[edit]
Named after H.O.G. Alfvén.
Noun[edit]
Alfven surface (plural Alfven surfaces)
- (stellar astronomy) The outer edge of the corona. The boundary that separates a star's atmosphere from its exosphere (heliosphere, astrosphere), where Alfven waves transition into stellar wind (solar wind).