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 Mars destroying anyone for simple carelessness." Return to Mars Return to Mars is a science fiction novel by Ben Bova. This novel is part of the Grand Tour series of novels. It was first published in 1999 and is a sequel to Ben Bova's novel "Mars". Navajo geologist Jamie Waterman returned to Earth as a hero, travelling the globe, giving speeches on Mars, and supporting a return voyage. Now six years later, Waterman gets to return to his beloved red planet, and to the mysterious dwelling in the Valles Marineris region. However, the second voyage has sponsorship not from governments, but