Examination of Van Allen Zone magnetosphere

80 Mongolian möngö 1977

Mongolia

Airmail

Intercosmos Program 11 Years

Assembly Of A Rocket 0.36$	Launching of Intercosmos 3. 0.06$	Marine Observatory Gagarin (ship). 0.06$	Satellite observation of lunar eclipse.
Observatory with multiple antenna system	Examination of Van Allen Zone magnetosphere	Meteorological earth satellite 0.93$