Q & A: galactic magnetic field

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Q:

Does a galaxy have a magnetic field?
- Paul (age 26)
Fayetteville, NC

A:

Yes. The approximate typical value (0.5 nT) and the types of evidence used to obtain it are discussed on this site: http://hypertextbook.com/facts/2001/RebeccaRudberg.shtml.

Mike W.

(published on 03/25/2011)

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