Media Summary: The General Theory of Relativity tells us The old saying that everything that goes up must come down In this episode, Neil deGrasse Tyson, joined by co-hosts Chuck Nice and Gary O'Reilly, explores whether
Why Does Gravity Exist At - Detailed Analysis & Overview
The General Theory of Relativity tells us The old saying that everything that goes up must come down In this episode, Neil deGrasse Tyson, joined by co-hosts Chuck Nice and Gary O'Reilly, explores whether PBS Member Stations rely on viewers like you. To support your local station, go to: ↓ More info ... Thanks to the Heising Simons Foundation ( for their support of this video, and of short range
