Mars to Stay to 30, thereby beginning a Martian settlement. Since the Martian surface offers all the natural resources and elements necessary to sustain a robust, mature, industrialized human settlement—unlike, for example the Moon—a permanent Martian settlement is thought to be the most effective way to ensure that humanity becomes a space-faring, multi-planet species. Through the use of digital fabricators and in vitro fertilisation it is assumed a permanent human settlement on Mars can grow organically from an original thirty to forty pioneers. A Mars to Stay mission following Aldrin's proposal would enlist astronauts in the following timeline: As Aldrin has said, "who
Dora the Explorer: Journey to the Purple Planet show, the game is about Dora who has a task to complete or a place to reach with her monkey, Boots. Dora has three, or, in some double-length episodes, four, places to go, with the final place as the destination. The game is about Dora and Boots who find some lost aliens from the Purple Planet. However, to take them home, she and Boots are required to collect keys from different planets to open the Space Door, leading to the Purple Planet. To fuel the rocket ship loaned to them, Dora and Boots need to collect 10 space gems in