Lego Space Space subtheme in which the entire theme is "good", "bad", or "civilian". Life on Mars is a space theme released in 2001, around a time of increased curiosity about the red planet. The theme revolved around the concept of the lifeforms that could possibly exist on Mars. This was the first Space theme to feature two types of minifigures: human astronauts and Martian aliens. The sets denote peaceful coexistence between the two species on the planet Mars. The "Life on Mars" theme pioneered several unique aspects in Lego in general. It was the first Lego theme to utilize a pneumatic
Return to the Lost Planet Return to the Lost Planet Return to the Lost Planet is a 1954 juvenile science fiction novel by Angus MacVicar, published by Burke, London. It is the second of the Lost Planet series, which was adapted for radio and television. There are six novels in the Lost Planet series: "The Lost Planet" (1953), "Return to the Lost Planet" (1954), "Secret of the Lost Planet" (1955), "Red Fire on the Lost Planet" (1959), "Peril on the Lost Planet" (1960) and "Space Agent from the Lost Planet". It was the first science fiction series ever translated into Hebrew and had considerable impact