"Why Do We See Spiral Arms in Some Galaxies?"

Credits

Producing Organization IPAC/SSC Education and Public Outreach Group
Created by Doris Daou
Charlie Bluehawk
Robert Hurt
Jim Keller
Produced by Doris Daou and Jim Keller
Presented by Steve Lord
Written by Steve Lord, Doris Daou, and Jim Keller
Directed and Edited by Jim Keller
Animations by Tim Pyle
Music by Jim Keller
Associate Producers Andrea Dean and M.E. McElveney

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