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Q111904291
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{{Page|Medium Explorer program|Classes|United States space exploration program that provides flight opportunities for various investigations from space|Medium Explorers program, MIDEX}}
{{Page|Medium Explorer program|Classes|United States space exploration program that provides flight opportunities for various investigations from space|MIDEX; Medium Explorers program}}

Latest revision as of 12:48, 2 September 2025




The Explorers Program is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space. Launched in 1958, Explorer 1 was the first spacecraft of the United States to achieve orbit. Over 90 space missions have been launched since. Starting with Explorer 6, it has been operated by NASA, with regular collaboration with a variety of other institutions, including many international partners.

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