Dark Matter Detection: Controversy Grows

AI Thread Summary
The discussion centers on the controversy surrounding dark matter detection, particularly the annual modulation signature proposed for identifying dark matter particles in the galactic halo. A key concern is distinguishing between dark matter signals and potential variations in the gravitational constant (G), as suggested by Moffat. The paper referenced presents results over seven annual cycles, but questions remain regarding the interpretation of these findings. The possibility that spatial variations in G could mimic dark matter signatures complicates the detection efforts. This ongoing debate highlights the challenges in confirming the existence of dark matter amidst alternative theories.
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The means of detection is given in the following quote from thatr paper:

"the model independent annual modulation signature for Dark Matter particles in the galactic halo"

They show results for seven annual cycles.

My question is how can we distinguish between Dark Matter and the variations of G (and no dark matter) proposed by Moffat. It seems that spatial variations in G would produce the same signature.
 

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