WTVC Chattanooga on MSN3h
Teacher discovers handgun in student's purse at school in Chattanooga Thursday
A school in Chattanooga says a student "unintentionally" brought a handgun to classes in her purse Thursday morning. No one ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...