ScienceCasts: America's Debut in Space: Explorer 1
On January 31, 1958, the United States joined the "space race" with the successful launch of the Explorer 1 satellite, marking the birth of space science. Visit http://science.nasa.gov/ for more. Explorer 1 Site: https://www.jpl.nasa.gov/missions/explorer-1/ Explorer 1 Book: https://www.jpl.nasa.gov/about/downloads/Explorer1.pdf Click here to see more videos: https://alugha.com/NASA