Human mission to Mars a similar mission in English in the book "The Conquest of Space" (1949), featuring illustrations by Chesley Bonestell. Von Braun's Mars project envisioned nearly a thousand three-stage vehicles launching from Earth to ferry parts for the Mars mission to be constructed at a space station in Earth orbit. The mission itself featured a fleet of ten spacecraft with a combined crew of 70 heading to Mars, bringing three winged surface excursion ships that would land horizontally on the surface of Mars. (Winged landing was considered possible because at the time of his proposal, the Martian atmosphere was believed to be
Dora the Explorer: Journey to the Purple Planet the top of the tall mountain. When they reach the top of the mountain, the group launch themselves into outer space. Dora, Boots, and the aliens are required to find 4 colored space keys on different planets to unlock the Space Door to the Purple Planet. First, they find the Green Key on the slimy Green Planet. Next, they go to bubbly and musical Yellow Planet to find the Yellow Key. Then, they go to the windy and nebular Blue Planet to find the Blue Key. Last, they find the Red Key on the mechanical Red Planet. After opening the