astronomy

Cole Miller, professor of astronomy at the University of Maryland, will present the fourth installment of the 2013-2014 Frontiers of Astronomy Lecture Series Thursday, March 6, at 8 p.m. at the Cleveland Museum of Natural History’s Murch Auditorium. In his talk, "The Mysteries of Black Holes,"…

The 2013-14 Frontiers of Astronomy Lecture Series will continue with a talk by Risa Wechsler, associate professor in the physics department at Stanford University, on Thursday, Nov. 14, at 8 p.m. in the Murch Auditorium at the Cleveland Museum of Natural History. Wechsler, a member of the Kavli…

A modified law of gravity correctly predicted, in advance of the observations, the velocity dispersion—the average speed of stars within a galaxy relative to each other—in 10 dwarf satellite galaxies of the Milky Way’s giant neighbor Andromeda. The relatively large velocity dispersions observed in…

Peering deep into the dim edges of a distorted pinwheel galaxy in the constellation Ursa Major (the Great Bear), astronomers at Case Western Reserve University and their colleagues have discovered a faint dwarf galaxy and another possible young dwarf caught before it had a chance to form any…