If you look at Einstein's equations and put in low speeds and low gravity, they become Newton's equations.
Neil deGrasse TysonAstronauts are the only kind of celebrity I know who can have a line of people waiting for their autograph, even if the line of people does not know in advance the astronaut's name.
Neil deGrasse TysonThere is no science in this world like physics. Nothing comes close to the precision with which physics enables you to understand the world around you. It's the laws of physics that allow us to say exactly what time the sun is going to rise. What time the eclipse is going to begin. What time the eclipse is going to end.
Neil deGrasse Tyson