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Old 25-June-2008, 08:07 AM
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Quote:
Originally Posted by Nereid View Post

IF we have a 1 nT magnetic field, and a 1 sol mass, in a vacuum, what does the charge on the 1 sol mass need to be for it to 'feel' a force equal to that required for it to have a circular (Keplerian) orbit of period 200 million years around a point 8kpc distant?
You don't need a charge because the sun is so highly conducting that it would be frozen onto the intergalactic field.
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