Discovering the Cosmos with Small Spacecraft: The American Explorer Program By Brian Harvey
English | PDF,EPUB | 2017 (2018 Edition) | 293 Pages | ISBN : 3319681389 | 24.46 MB
Explorer was the original American space program and Explorer 1 its first satellite, launched in 1958. Sixty years later, it is the longest continuously running space program in the world, demonstrating to the world how we can explore the cosmos with small spacecraft. Almost a hundred Explorers have already been launched.