In 1993, Israeli physicist Moti Milgrom showed an adjustment to the way gravity is calculated that would make dark matter go away in Newton’s system for calculating gravity. If Milgrom’s math were used in the survey for dark matter in your article, would it also make dark matter go away?

O. Frank Turner
Westminster Colo.

Most astrophysicists would say they still see the need for dark matter in the universe .–R. Cowen