History
The heliospheric current sheet was discovered by John M. Wilcox and Norman F. Ness, who published their finding in 1965 . Hannes Alfvén and Per Carlqvist speculate on the existence of a galactic current sheet, a counterpart of the heliospheric current sheet, with an estimated galactic current of 1017 to 1019 amperes, that might flow in the plane of symmetry of the galaxy.
Read more about this topic: Heliospheric Current Sheet
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—Henry Geldzahler (1935–1994)
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—J.L. (John Langshaw)