Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: Nov. 13, 1978
Event Type : Launch
Launch Pad / Location : USA KSC (FL)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : The Einstein Observatory (HEAO 2) was the second of three missions in a program of research in high-energy astronomical phenomena. The science objectives of this mission were imaging and spectrographic studies of specific X-ray sources and studies of the diffuse X-ray background. More specifically, scientific objectives were
(1) to locate accurately and examine X-ray sources in the energy range 0.2 to 4.0 keV, with high resolution;
(2) to perform high-spectral-sensitivity measurements with both high-and low-dispersion spectrographs; and
(3) to perform high-sensitivity measurements of transient X-ray behavior.
Kennedy Space Center post stamp and satellite high energy astronomy observatory HEAO 2. Keyword(s) :
#Celebrity,
#Einstein,
#Satellite,
#X-rays, This is OUTSIDE of a Space Revue. Last modified: 05/12/2015 @ 13h49
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USA 1201 | 16,- |
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Page : future · Ref: USA 1201 Space Event : HEAO 2 (EINSTEIN) (SATELLITE) · ATLAS SLV3D
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