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" ... Four different cosmologies lead to the same fluctuation patterns in the CMB, but an independent ... [+] cross-check can accurately measure one of these parameters independently, breaking the degeneracy. By measuring a single parameter independently (like H0), we can better constrain what the Universe we live in has for its fundamental compositional properties. However, even with some significant wiggle-room remaining, the age of the Universe isn't in doubt. ... "
" ... Four different cosmologies lead to the same fluctuation patterns in the CMB, but an independent... [+] cross-check can accurately measure one of these parameters independently, breaking the degeneracy. By measuring a single parameter independently (like H_0), we can better constrain what the Universe we live in has for its fundamental compositional properties. ... "
" ... In particular, when very distant galaxies and quasars began to be discovered, they appeared to have an unusual property: their redshifts appeared to come in at specific values that were all multiples of one another. This suggested that redshifts might be quantized, and perhaps had a non-cosmological origin. Geoffrey Burbidge, William Tifft, and Halton Arp all explored alternative cosmologies that accounted for this, but large-area deep surveys have shown that galaxy and quasar redshifts aren’t quantized, after all. Although a few people still pursue these lines, the evidence is overwhelmingly against it. ... "