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Term: Auroral arc Class:  
 vernacular   (0%)
Created 6 June 2017
Last modified 6 June 2017
Contributed by GCW Glossary

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  n2t.net/ark:/99152/h1780

Definition: A special class of bandlike forms. The arc appears as a simple, slightly curving arch. Arcs are usually quiet and not bright.  AMSglossary 

 GCW 
Examples: