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Originally Posted by Nereid
Yes.
Though, since we're doing science here, "must be" is a little too strong, and 'collisionless', 'cold', and 'non-baryonic' will, of course, be appropriately defined (and constrained).
And the primary thrust is 'dark matter' - i.e. mass which neither emits nor absorbs electromagnetic radiation, in the relevant wavebands, to the established observational limits.
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I agree "must be" is too strong. But you said that you are going to show that the DM is non-baryonic CDM. That is not the same thing as showing that there is an observational basis for the existence of DM. I just wanted to make sure I knew whether you are going to show that the DM is non-baryonic CDM.
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"The scientist who asks the right question reconnoiters a new patch of the unknown, and may, with luck, bring it within the constricted but expanding boundaries of the known."
~Timothy Ferris (The Red Limit) 1982
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