Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodromo / Luogo : USA
Data di annullo: 16 Août 1961
Tipo di Evento : Lancio
Rampa di Lancio / Luogo : USA KSC (FL)
Missione con Equipaggio / Robotica : Robotica
Obiettivo/Tipo Missione : Sperimentale / Scienza
ou?/where?: au sol - ground
autographe?: non - noneDescrizione : Explorer 12 was a spin-stabilized, solar-cell-powered spacecraft instrumented to measure cosmic-ray particles, trapped particles, solar wind protons, and magnetospheric and interplanetary magnetic fields. It was the first of the S 3 series of spacecraft, which also included Explorers 14, 15, and 26. A 16-channel PFM/PM time-division multiplexed telemeter was used. The time required to sample the 16 channels (one frame period) was 0.324 s.
The spacecraft functioned well until December 6, 1961, when it ceased transmitting data apparently as a result of failures in the power system. Good data were recorded for approximately 90% of the active lifetime of the spacecraft. Parola chiave : nessuno Questo è FUORI dalle Riviste dello Spazio. Ultima modifica: 11/06/2015 @ 12h18
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USA 65 | 50,- |
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USA 65 A
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Pagina : future · Ref: USA 65 Avvenimento Spaziale : EXPLORER 12 (SATELLITE) · THOR DELTA
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