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Here are details about a :
Space commemorative cover
or Space Cover.

the flag of USA
Cosmodrom : USA

Date of Cancellation: Aug. 3, 1981
Kind of Event : Launch
Launch pad : USA KSC (FL)
habité?/manned?: robot
Mission type : Experimental & Science
 SCIENCE 

ou?/where?: au sol - ground
autographe?: non - none

Description : The Dynamics Explorer (DE) mission’s general objective is to investigate the strong interactive processes coupling the hot, tenuous, convecting plasmas of the magnetosphere and the cooler, denser plasmas and gases corotating in the earth’s ionosphere, upper atmosphere, and plasmasphere. Two satellites, DE 1 and DE 2, were launched together and were placed in polar coplanar orbits, permitting simultaneous measurements at high and low altitudes in the same field-line region.
Data were acquired on a science-problem-oriented basis, with closely coordinated operations of the various instruments, both satellites, and supportive experiments. Measurements were temporarily stored on tape recorders before transmission at an 8:1 playback-to-record ratio. Since commands were also stored in a command memory unit, spacecraft operations were not real time.
Greenbelt DE 1 & 2 to study interaction between earth’s magnetosphere, ionosphere and atmosphere in polar coplanar orbits launched from Vandenberg by Thor Delta.

Keyword(s) :
#Aerial,
#Planet,
#Satellite,

This is OUTSIDE of a Space Revue.

Last modified: 05/29/2015 @ 14h49

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ask if availablepurchase this item USA 1547 A 8,-  

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enveloppe USA 1547 A - cover USA 1547 A
USA 1547 A - picture enhanced ?

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Space Event :

DYNAMICS EXPLORER (DE 1 & 2)

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