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## Main Question or Discussion Point

From the anisotropic dipole of the CMB, they are able to calculate our velocity through space relative to this radiation. How exactly is this done - in general terms. What assumptions are they needing to make ab out this radiation to deduce our speed from it?

I don't understand the connection between observing the radiation and identifying our speed relative to it.

Thanks!

I don't understand the connection between observing the radiation and identifying our speed relative to it.

Thanks!