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We live in a universe that has gravity throughout it! Gravity plays a crucial role in our outer-space travels. Even in the International Space Station, where astronauts float, there is gravity! It is called microgravity because its pull feels less than the pull we feel from gravity on Earth. The gravitational pull you feel on Earth is different than in other places of the universe. The strength of the gravitational pull of a planet or object is determined by size and mass of the object. Check this out to find out more about how much gravity would make you weigh on other planets!