Here are details about a :
Space commemorative cover
or Space Cover.
Cosmodrome / Location : USA
Date of Cancellation: April 29, 1978
Event Type : Tracking
Launch Pad / Location : USA Pasadena (CA)
Manned / Robotic Mission : Robotic
Mission Objective/Type : Experimental / Science
ou?/where?: au sol - ground
autographe?: non - noneDescription : Pasadena post stamp and Helios 2 satellite.
The purpose of the mission was to make pioneering measurements of the interplanetary medium from the vicinity of the earth`s orbit to 0.3 AU. The spacecraft was spin stabilized with the spin axis normal to the ecliptic, and a nominal spin rate of 1 rps. The outer surface was coated with a conductive material, resulting in a plasma-sheath potential of typically 5 eV. Keyword(s) :
#NASA,
#Satellite,
#Sun, This is OUTSIDE of a Space Revue. Last modified: 05/07/2015 @ 12h11
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Page : future · Ref: USA 1132
Space Event : HELIOS 2 (HELIOS B) · SOLAR ORBITER · PERIHELION
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