A NASA scientist's incredible animation shows how dinosaurs roamed the Earth on the other side of the Milky Way galaxy
11:14am PST - November 7th, 2019 miss universe 2019 - Business InsiderNASA scientist Jessie Christiansen made a video that traces our solar system's movement through the Milky Way as dinosaurs emerged, went extinct, and were replaced by mammals on Earth. Our sun orbits the galaxy's center, so many dinosaurs roamed the Earth whi…