 Quote by kingofjazz
how quickly is the milky way relative to the cosmic backround radiation on its way through the universe ?
I mean not the rotation speed
thank you
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As you are new to PF, you may not be aware that the administrators here discourage multiple posting of the same post.
I think jcsd has given a good response, but I would ask the Mentors to move his response to the other thread (or move mine to this), and delete the redundant koj post.