Here are details about a :
Space commemorative cover
or Space Cover.
Kosmodrom / Plats : USA
Stämpeldatum: 29 Avril 1978
Händelsetyp : Tracking
Startplatta / Plats : USA Pasadena (CA)
Bemannad / Robotisk Mission : Robotisk
Uppdragsmål/Typ : Experimentell / Vetenskap
ou?/where?: au sol - ground
autographe?: non - noneBeskrivning : 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. Nyckelord :
#NASA,
#Satellit,
#Solen, Är UTANFÖR Rymdrevyerna. Senast ändrad: 07/05/2015 @ 12h11
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Sida : future · Ref: USA 1132 Rymdhändelse : HELIOS 2 (HELIOS B) · SOLAR ORBITER · PERIHELION
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