https://peertube.dngr.us/videos/watch/1c97d60a-2e55-4b4f-988f-0ef9afb17893 This video, developed for grades 9 through 12, examines the scientific findings of the unmanned Viking missions to Mars. Viewers are introduced to a variety of information returned to Earth, including soil and atmospheric analysis and biological and geological data. Difficulties encountered in interpreting Viking’s data are discussed. Actual photographs taken by the Viking One and Two spacecraft are shown. To license this film and get a higher quality version for broadcast/film purposes, contact A/V Geeks LLC . Date: 1978 Mirrored from Internet Archive: https://archive.org/details/19_Minutes_to_Earth Wed, 15 Jul 2026 09:34:28 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/1c97d60a-2e55-4b4f-988f-0ef9afb17893 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.