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 space door with the keys they found, Dora, Boots, and the aliens finally get to the Purple Planet. Dora and Boots receive a present from the aliens to fly back to Earth, as they bid farewell. The player controls Dora the Explorer, followed by Boots. As the game is played, players collect gems so Isa’s rocket ship can fly to where gems are hidden in treasure. Later in the game, gems are also hidden in logs. If players collect 10 or more gems, Isa’s rocket ship will fly. Players also jump on mushrooms and springboards to jump higher. Before players