https://peertube.dngr.us/videos/watch/db58e870-66d8-4fc1-b505-368654531897 Offers a look at the U.S. space program by explaining the objectives of NASA, the results of recent space flights, and various techniques used in the program, such as space photography and radiometric dating. Also discusses the geologic history of the Moon and preparations for the Viking mission. Date: 1975-03-10 Mirrored from Internet Archive: https://archive.org/details/NOVAThePlanets Wed, 15 Jul 2026 13:01:27 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/ec5edb1e-3795-4978-be4f-c67e98fbc992.png https://peertube.dngr.us/videos/watch/db58e870-66d8-4fc1-b505-368654531897 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.