Here are details about a : Space commemorative cover or Space Cover.
Cosmodrom : USA
Date of Cancellation: Dec. 15, 1973 Kind of Event : Launch Launch pad : USA Vandenberg (CA)
habité?/manned?: robot Mission type : Ecology and Earth observation
ou?/where?: au sol - ground
autographe?: non - noneDescription : The purpose of the AE-C mission was to investigate the thermosphere, with emphasis on the energy transfer and processes that govern its state. The study of photochemical processes accompanying the absorption of solar UV radiation in the earth’s atmosphere was accomplished by making closely coordinated measurements of reacting constituents and the solar input.
Vandenberg post stamp and meteorology satellite Explorer 51. Keyword(s) : #Satellite, This is OUTSIDE of a Space Revue. Last modified: 10/19/2014 @ 00h15
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Page : future · Ref: USA 670 Space Event :EXPLORER 51 (AE-C) (SATELLITE) · DELTA 1900
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