Dark Matter for Consideration

Five physicists debate the underdog theory that's challenging the dark-matter explanation of the universe.

Sep 27, 2006 5:00 AMNov 12, 2019 5:06 AM

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Our recent article on physicist Mordehai Milgrom described how his novel theory of gravity, called MOND, might revolutionize cosmology by doing away with dark matter—hypothetical, unseen mass believed to sculpt the structure of the universe. Here, in a new forum, experts in the field weigh in on Milgrom's controversial ideas.

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