The people of Earth didn't see a photo of our planet until the late 1960s. Photos of Earth changed the way we think about our planet. In this webcast we look at the beginnings of Earth Day and how a better understanding of our place in the universe has evolved through photographic scientific discoveries. This program is made possible through the generous support of Boeing. Learn more about STEM in 30: http://airandspace.si.edu/stemin30
Video Duration:
29 min 12 sec
YouTube Keywords:
aviation air space national museum smithsonian airplane NASA Rocket Jet Discovery SR-71 Blackbird "Space Shuttle" History Science STEM astronaut