i realize that nobody from behind iron curtain decide to comment this movie . so do i. this movie be treat by people from this side of europe a communistic propaganda of it time . lead role of soviet scientist and international crew make me sick . character be flat and artificial and they declare but not talk . story be base on book ( astronaut ) of famous polish sci fi writer and philosopher stanislaw lem . but i would like to admit and that represent it be early book of lem author treat this book a amistake of childhood and be never proud of it he do not like this movie and .