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Question 2: Compare and Contrast Earth Diver and ExNihilo (part two) Now Earth Diver is very different from Ex Nihilo. Earth Diver is a common character in various traditional creation myths. Usually a supreme being sends an animal into the primal waves to find bits of sand or mud with which to build habitable land.
The astronauts, the ISS itself and other objects in Earth orbit arenât floating, they are actually falling. But they donât fall to the Earth because of their huge orbital velocity. Instead, they fall around Earth. Objects in Earth orbit have to travel at least 28,160 km/h (17,500 mph). So, as they accelerate towards the Earth, the Earth curves away beneath them and they never get any closer. Since the astronauts have the same acceleration as the space station, they feel weightless.