In this new 2023 high-definition program, learn all about famous astronomers and astrophysicists who have significantly advanced our understanding of the universe. Who were Copernicus, Tycho Brahe, Galileo, Edwin Hubble, Vera Rubin, Stephen Hawking, and Neil deGrasse Tyson? What were their major discoveries, theories, and contributions to astronomy and astrophysics? The answers to all of these questions and more are covered in depth with exciting videos and dynamic graphics that reinforce important concepts.