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Facts
Sources: Wikidata (CC0) · Wikidata Q49514
Launches · 8
| Spacecraft | Launch | Operator |
|---|---|---|
 Orbiting Solar Observatory 8 | June 21, 1975 | National Aeronautics and Space Administration |
 GEOS-3 | April 9, 1975 | — |
 Explorer 51 | December 16, 1973 | — |
 Explorer 50 | October 26, 1973 | — |
 Explorer 49 | June 10, 1973 | National Aeronautics and Space Administration |
 Anik A2 | April 20, 1973 | — |
| Anik A1 | November 10, 1972 | — |
 Explorer 47 | September 23, 1972 | — |