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It is difficult to falsify the hypothesis of dark matter, because, as with Ptolemy's epicycles, true believers can always add additional arbitrary features and free parameters to overcome any conceivable difficulties that occur with the dark matter models.

— John Moffat Reinventing Gravity (2008)

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More quotes by John Moffat

Hunting for elusive dark matter is now a multibillion dollar international scientific industry.

Reinventing Gravity (2008)

Inflation itself proceeds at a speed faster than the measured speed of light.

Reinventing Gravity (2008)

Is the reader feeling confused about the status of the black hole information paradox and black holes in general? So am I!

Reinventing Gravity (2008)

Giving up Einstein's theory of gravity is simply unacceptable to many in the community. It may take a new generation of physicists to view the evidence with unclouded eyes.

Reinventing Gravity (2008)

It is hard to understand how this infinitely dense singularity can evaporate into nothing. For matter inside the black hole leak out into the universe requires that it travel faster than the speed of light.

Reinventing Gravity (2008)

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Quote text and notes from Wikiquote: John Moffat (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.