AaS! 19: How do planets get magnetic fields?

Ask a Spaceman!

Paul M. Sutter

Astrophysics, Science, Cosmos, Holes, Black, Astronomy, Natural Sciences, Universe, Cosmology, Space, Physics

4.8 • 853 Ratings

🗓️ 3 November 2015

⏱️ 32 minutes

🔗️ Recording | iTunes | RSS

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Summary

How do planets get their magnetic fields? What’s a dynamo? What do magnetic fields have in common with plate tectonics? I discuss these questions and more in today's Ask a Spaceman!

Follow all the show updates at askaspaceman.com, and help support the show at patreon.com/pmsutter!

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman on Twitter@PaulMattSutter and Facebook/PaulMattSutter for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

Transcript

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0:00.0	AI might be the most important innovation ever. It's storming every industry with literally billions being invested, so buckle up.
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0:52.9	That's oracle.com slash bandwidth.acle.com slash bandwidth. That's oracle.com slash bandwidth.
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1:10.2	I'm your host Paul Sutter. You've got questions and I've got answers. You know how the show works, but sometimes you could use a little bit of a reminder. So here we go. You go online to Twitter or Facebook. Use the hashtag Ask a Space Man and and fire some questions my way and I'll pick
1:28.9	ones out to answer on this show. Exhibit A is the question I'm going to answer on today's show.
1:36.4	So there you go. Evidence that this process actually happens. You can also send questions to my
1:41.7	email at Ask a Spaceman at gmail.com.
1:44.6	You can also send me questions directly on Twitter and Facebook.
1:48.7	My name there is Paul Matt Sutter, P-A-U-L-M-A-D-T-T-T-E-R.
1:54.9	That's my name, and so it's my Facebook and Twitter handle because that's kind of how things work.
2:00.3	You can also go to Ask aSpaceman.com.
2:02.6	There you'll find show notes, a place to comment.
	...

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