Galaxy dynamics are confronted with one of the deepest problems of modern physics: the dark matter problem. The motions of stars and gas observed exceed what can be explained by the mass visible in ...
Recent studies have suggested that vortices in ultralight dark matter halos could provide new insights into the formation of cosmic structures, challenging traditional models of galaxy evolution. A ...
Astronomers continue to uncover galaxies that challenge traditional classifications. A recent study by Hubble Space Telescope observers, highlighted by NASA, showcases NGC 2775, a galaxy whose ...