"Invisible Stars: Unraveling the Mystery of Dark Galaxies"
Astronomers have discovered "dark galaxies" - collections of stars so sparse and faint that they are nearly invisible, challenging long-held views about the formation and evolution of galaxies. These galaxies, such as the recently discovered cloud of hydrogen gas resembling the Milky Way but with no discernible stars, are prompting questions about their extreme characteristics and the possibility of primordial galaxies that have not readily formed stars.