(Set) Great Heroes and Discoveries of Astronomy & Radio Astronomy: Observing the Invisible Universe

Learn just how indebted we are to the tools and heroes of astronomy with this pair of courses. First, learn how Annie Jump Canon, Karl Lansky, Vera Rubin, and others sparked some of the great discoveries that have shaped astronomy over the past century through groundbreaking theories, serendipitous observations, and feats of engineering in Great Heroes and Discoveries of Astronomy. Then, in Radio Astronomy: Observing the Invisible Universe, discover how radio astronomy allows us to more accurately tell time right here on Earth, study terrestrial plate tectonics, and even get smartphone directions to that great new restaurant.