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	Explorer 1: How America's First Satellite Helped Create NASA (NASA) View
	NOW WATCH Explorer 1 How America's First Satellite Helped Create NASA (NEWS NOW) View
	How America's First Satellite Helped Create NASA (Waspie_Dwarf's Astronomy \u0026 Space Channel) View
	ScienceCasts: America's Debut in Space: Explorer 1 (ScienceAtNASA) View
	Explorer 1 -- JPL and the Beginnings of the Space Age (NASA Jet Propulsion Laboratory) View
	NEW Space 2018: Explorer 1 The Beginning of American Space Science UPDATED (Space and Galaxy) View
	How America's First Satellite Helped Create NASA (NASA Goddard) View
	Explorer 1 Preparation and Launch (Mark Gray) View
	Launching of Explorer (NASA's Marshall Space Flight Center) View
	How the US Launched Its First Satellite (SciShow Space) View