Mars to Stay it is assumed the planet will be a magnet for settlers as wage costs will be high. Because of the labor shortage on Mars and its subsequent high pay-scale, Martian civilization and the value placed upon each individual's productivity is proposed as a future engine of both technological and social advancement. In the fifth chapter of "Mars Direct", Zubrin addresses the idea that radiation and zero-gravity are unduly hazardous. He claims cancer rates "do" increase for astronauts who have spent extensive time in space, but only marginally. Similarly, while zero-gravity presents challenges, near total recovery of musculature and immune system
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