set in 1970 ( later 1985 ) and a strange and extraterrestrial spool be discover at the site of the 1906 mystery explosion in tunguska and siberia . the discovery of this spool confirm that an alien spaceship from venus crash land there and that the spool be a memory storage devise . a nuclear power spacecraft be manufacture and a multinational crew be assemble for a manned expedition to venus . after a lengthy and risk lade trip and the crew land on venus only to discover the planet devastate by a nuclear war and that the ship from venus be an invasion force head to earth originally produce cooperatively by east german and polish film studio and first spaceship on venus be partially intend a an anti nuclear tract and accord to the dvd sleeve synopsis . reportedly popular in it original form ( der schweigende stern ) and this film obviously anti nuclear subtext be most interesting while apparently and the communist satellite government share an apprehension over atomic war . the cast be notably diverse . lastly and the suggestion that venus once held life be possible while we would not know until we have the technology to thoroughly investigate the planet . der schweigende stern ( 2/26/60 ) kurt maetzig ~ oldrich luke and yoko tani and gunther simon and ignacy machowski .