Using Distant Galaxies as Cosmic Time Machines
Room 100, Lovejoy Building, Colby College Mayflower Hill Drive, Waterville, METhe night sky is filled with stars and galaxies whose light was emitted at different times throughout the entire 13.6 billion-year history of the universe. Each one provides us with a snapshot in time, which we can use collectively to gain insight into some of the most fundamental questions about the nature of the universe. […]