[amsat-bb] NO EJECTION MASS Propulsion

Mike Lemons motie at mindspring.com
Wed Aug 6 10:53:45 UTC 2014

It doesn't violate any laws of physics if you are expending power from 
photovoltaics to propel your spacecraft.

For example, you could push against the Earth's magnetic field to get a 
satellite into a higher orbit.

This article seems to confirm this model, although they don't know what 
they are pushing against:

I agree that this is probably nonsense, but maybe it isn't.

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