Dark matter -- particles or modified gravity?

copernicus1 · Jan 28, 2015

What is the evidence for dark matter being new particles as opposed to some modified form of gravity?

mfb · Jan 28, 2015

Most of the evidence for Dark matter and all arguments against MOND suggest a particle-like origin. The list is too long to explain every point in detail here. Do you have more specific questions?

martinbn · Jan 28, 2015

http://en.wikipedia.org/wiki/Bullet_Cluster#Significance_to_dark_matter

nicoo · Jan 29, 2015

MOND/TeVeS is not the only alternative to real dark matter.

For example Mimetic Dark Matter may gain some echo in the next months
http://arxiv.org/abs/1308.5410

Dark matter -- particles or modified gravity?

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Dark matter -- particles or modified gravity?

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