“There is a prescription that works well, MOND, but the reason it works so well is not known. You may say that MOND tells us how the real theory of gravity should look.”

— Jacob Bekenstein

as quoted in: [Milgrom, Mordehai, MOND from a brane-world picture, arXiv preprint arXiv:1804.05840, 2018, https://arxiv.org/abs/1804.05840] (p. 2)

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Jacob Bekenstein 6

Mexican-Israeli physicist 1947–2015

Pavel Kroupa (1963) Australian astrophysicist

[21 March 2011, Pavel Kroupa: The Dark Matter Crisis website, https://darkmattercrisis.wordpress.com/2011/03/21/question-c-ii-mond-works-far-too-well/]

“A long standing prediction (Milgrom 1983) of MOND is that rotating galaxy curves will fall on a single mass-velocity relation with slope 4: Mb \propto Vf4. This prediction is realized in multiple independent data sets. Gas rich galaxies fall where predicted by MOND with no free parameters. There are not many predictions in extragalactic astronomy that fare so well a quarter century after their publication. … a physical understanding for why galaxy formation in the context of ΛCDM should pick out the particular phenomenology predicted a priori by MOND remains wanting.”

Stacy McGaugh (1964) American astronomer

[Stacy McGaugh, 2011, The Baryonic Tully-Fisher Relation of Gas-Rich Galaxies as a Test of ΛCDM and MOND, p. 16, ApJ, http://arxiv.org/abs/1107.2934]

“It seems to me that in understanding MOND and its fundamentals we have only scratched the surface. If the developments of quantum mechanics and relativity are any lesson here, departures of such magnitude from long- and well-tested physics may bring with them completely new concepts, not summarized by mere modifications of the governing actions or the equations of motion. MOND may also turn out to bring in concepts that are presently beyond our ken”

Mordehai Milgrom (1946) Israeli physicist

as hinted perhaps by the cosmological connotations of a<sub>0</sub>
MOND Theory, p. 5, Mordehai Milgrom, 30 Apr 2014, updated 31 Aug 2014 http://arxiv.org/abs/1404.7661,

“I have experienced time and again people dismissing the data because they think MOND is wrong, so I am very consciously drawing a red line between the theory and the data.”

Stacy McGaugh (1964) American astronomer

as quoted in [Cooper, Keith, Correlation between galaxy rotation and visible matter puzzles astronomers, 7 October 2016, physicsworld.com, http://physicsworld.com/cws/article/news/2016/oct/07/correlation-between-galaxy-rotation-and-visible-matter-puzzles-astronomers]

“Now look, I'm not saying God is, you know, causing earthquakes. Well—I'm not saying that he—I'm not not saying that either. God — what God does is God's business, I have no idea. But I'll tell you this: whether you call it Gaia or whether you call it Jesus — there's a message being sent. And that is, "Hey, you know that stuff we're doing? Not really working out real well. Maybe we should stop doing some of it."”

Glenn Beck (1964) U.S. talk radio and television host

I'm just sayin'.
The Glenn Beck Program
Premiere Radio Networks
2011-03-14
Ben
Dimiero
Beck: "I'm Not Not Saying" God Is Causing Earthquakes
Media Matters for America
2011-03-14
http://mediamatters.org/blog/201103140010
2011-03-19
2010s, 2011

“The concordance model of cosmology, ΛCDM, provides a satisfactory description of the evolution of the universe and the growth of large scale structure. Despite considerable effort, this model does not at present provide a satisfactory description of small scale structure and the dynamics of bound objects like individual galaxies. In contrast, MOND provides a unique and predictively successful description of galaxy dynamics, but is mute on the subject of cosmology. … it is far from obvious that the mass spectrum of galaxy clusters or the power spectrum of galaxies can be explained in MOND, two things that ΛCDM does well. Critical outstanding issues are the development of an acceptable relativistic parent theory for MOND, and the reality of the non-baryonic dark matter of ΛCDM. Do suitable dark matter particles exist, or are they a modern aether?”

Stacy McGaugh (1964) American astronomer

A Tale of Two Paradigms: the Mutual Incommensurability of LCDM and MOND, Stacy McGaugh, 29 Apr 2014, updated 17 May 2014 http://arxiv.org/abs/1404.7525,