Is dark matter real?

Can the need for dark matter in cosmology be escaped by modifying the laws of gravity?
01 July 2013

Interview with 

Hongsheng Zhao, University of St Andrews

Spacetime_curvature.png

Massive objects bend the fabric of spacetime.

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Hongsheng Zhao presented the first modelling of the dynamics of the Local Group to use a rival model to dark matter, called MOND, at NAM today. But what is MOND, and is it credible? I talk to believers and skeptics.

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