How does the universe generate giant magnetic fields? Is it astrophysical or primordial? How do we find them anyway? Why am I not talking about Maxwell? I discuss these questions and more in today’s Ask a Spaceman!

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Big thanks to my top Patreon supporters this month: Justin G., Michael Z., Kevin O., Justin R., Chris C., Helge B., Tim R., Michael C., Lars H., Ray S., John F., James L., Mark R., Alan M., David B., Silvan W., Edward H., and Alex P.!

Music by Jason Grady and Nick Bain. Thanks to WCBE Radio for hosting the recording session, Greg Mobius for producing, and Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist at The Ohio State University, Chief Scientist at COSI Science Center, and the one and only Agent to the Stars (