Naked Science Forum

Non Life Sciences => Physics, Astronomy & Cosmology => Topic started by: neilep on 20/06/2006 23:33:46

Title: Does the Milky Way galaxy have a magnetic field?
Post by: neilep on 20/06/2006 23:33:46

Well does it ?...what about an equator ?

If it does have a magnetic field , would it have a north and south pole too then?

Title: Re: Does the Milky Way galaxy have a magnetic field?
Post by: Soul Surfer on 21/06/2006 00:04:30

There are magnetic fields on a galactic scale.  They are quite small when compared with the earth's magnetic field but do represent large quantities of energy because of the vast scale over which they operate.  They are quite difficult to observe and I don't think that it is known yet if they have any overall coherent structure on the scale of the whole galaxy or are just associated with clouds and turbulence in the spiral arms.

That reply was from memory but seems to be ok because Googling  "Galactic magnetic field"  will give you lots more detailed information

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Title: Re: Does the Milky Way galaxy have a magnetic field?
Post by: neilep on 21/06/2006 15:46:44

Perhaps, I wonder, then ,that the Universe itself might have a magnetic field ?...or is that a simple yes, no or don't know, or will never know.. ?

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Title: Re: Does the Milky Way galaxy have a magnetic field?
Post by: tony6789 on 22/06/2006 14:42:47

(o) this sybal represents the earth and it's magnetic feild. the circle as u can c is the Earth. the curves around it are the magnetic feild. as u can c the magnetic feild curves tward the north os south poles. when a solar flare goes tward the earth it gets stoped dead in it's trackes cause of the magnetic feild. the magnetic feild the brings it down tward the north or south pole creating the phenomenon known as the norther or souther lights.

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