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All Early Satellite and Lunar Probe Programs

The first uncrewed satellite and lunar probe programs, such as the Soviet Sputnik satellites, the American Explorer series and Ranger lunar probes and the international Interkosmos cooperation program. A program belongs here when its cited article names it as an early satellite or lunar probe program. Members are placed here from their own cited Wikipedia articles, each with a verbatim supporting quotation, so a reader can check why an entry sits in this group. The grouping forms part of the browse path for this section of the atlas.

All Early Satellite and Lunar Probe Programs
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Sources
Sputnik Program (Wikipedia)
Has Member: Sputnik Program, Lead sentence
Quote, Has Member: Sputnik Program, Lead sentence
Sputnik (Спутник, Russian for "satellite") is a name for multiple spacecraft launched under the Soviet space program.
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Ranger program (Wikipedia)
Has Member: Ranger Program, Lead sentence
Quote, Has Member: Ranger Program, Lead sentence
The Ranger program was a series of uncrewed space missions by the United States in the 1960s whose objective was to obtain the first close-up images of the surface of the Moon.
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Explorer Program (Wikipedia)
Has Member: Explorer Program, Lead sentence
Quote, Has Member: Explorer Program, Lead sentence
The Explorers Program is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space.
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Interkosmos (Wikipedia)
Has Member: Interkosmos Program, Lead sentence
Quote, Has Member: Interkosmos Program, Lead sentence
Interkosmos (Russian: Интеркосмос) was an international Soviet space program designed to promote cooperation among socialist countries in space exploration and research.
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