Here are details about a :
Space commemorative cover
or Space Cover.
Cosmódromo / Lugar : EE.UU.
Fecha de matasellos: 16 Août 1961
Tipo de Evento : Lanzamiento
Plataforma / Lugar : EE. UU. KSC (FL)
Misión Tripulada / Robótica : Robótica
Objetivo/Tipo de Misión : Experimental / Ciencia
ou?/where?: au sol - ground
autographe?: non - noneDescripción : 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. Palabra(s) clave : ninguno Está FUERA de las Revistas del Espacio. Última modificación: 11/06/2015 @ 12h18
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