Astronomy: Videos

24 episodes available. "Travel around the world and across time in search of the unsung heroes who evolved our understanding of astronomy. 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 their groundbreaking new theories, serendipitous observations, and feats of engineering (on Earth and in space)."

"For thousands of years, the star-filled sky has been a source of wonder, discovery, and entertainment. All you need to feel at home in its limitless expanse is Our Night Sky, a richly illustrated 12-episode course that gives you an unrivaled tour around the sky—all while teaching you about the science, technology, and pure pleasure of stargazing."

24 episodes available. "Get to know your planets with help from Professor Sabine Stanley's thrilling ride of discovery, illustrated by the phenomenal images NASA has gathered through its telescopes, cameras, and laboratories on Earth and among the stars. A Field Guide to the Planets offers a fuller picture of what scientists know about our solar system - and how much there is yet to learn."