In Isaiah 45:18, we read that God created the earth for us. We have seen that our bodies have many marvelous examples of his engineering skills. This planet is made to keep us (and itself) going, and there are protections around the planet to shield us from cosmic dangers. Stories about journeying to other planets real or imagined have been popular for a mighty long time. Passing through areas of radiation, colliding with asteroids and meteors, space junk and other problems are plentiful. Then there are concerns with human physiology. Soviet space station Mir, modified by FotoSketcher from a 1989 NASA image of Mir taken by STS-89 In addition to being hit by something zooming past and requiring shielding from radiation, humans must be physically capable of withstanding the gravity to blast us up yonder. Another part of the problem with gravity is the lack of it while up there. Human red blood cells deplete quite rapidly, causing anemia and other physiological problems. Valer...
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