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

Kosmodrom / Ort : Baikonur

Stempeldatum: 30 Nov. 1968
Ereignisart : Start
Startrampe / Ort : Russland Plessezk
Bemannte / Robotische Mission : Robotisch
Missionsziel/-typ : Ökologie / Erdbeobachtung

ECO

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

Beschreibung : The Sfera or Geoid series were the first soviet geodetic satellites to improve the accuracy of maps.
Designed for a 6 month lifetime, most of the satellites lasted much longer. Initially the system suffered from various problems, but in 1973, the Sfera system was declared operational. Sfera satellites were operated until 1980, when this system was replaced with the more advanced Geo-IK (Musson) satellites.

Schlüsselwort/-wörter :
#Kartographie,
#Planet,
#Satellit,

Ist AUSSERHALB der Weltraum-Revuen.

Letzte Änderung: 26/04/2023 @ 13h22