Does Dark Matter Exist? Stacy McGaugh (#284)

Stacy McGaugh is an American astronomer and professor at Case
Western Reserve University in Cleveland, Ohio. His primary focus
has been in physics problems related to the distribution of matter
and the dynamics of galaxies. He's a proponent of Modified
Newtonian Dynamics (MOND), which tweaks our understanding of
gravity to allow galaxies to form and move without the need of a
traditional dark matter halo. The theory was originally published
in 1983 by Israeli physicist Mordehai Milgrom. MOND has been
effective at predicting the behavior of some galaxies, like the
Dwarf Spheroidals attached to Andromeda, however it has yet to
explain some anomalies like the collision of the Bullet Cluster. In
cases with high gravitational lensing and little ordinary matter
the theory has been shown to break down. Stacy discusses successes
of his approach to astrophysics and what can be improved on in the
future. https://twitter.com/DudeDarkmatter
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