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The first satellite sent to space was Sputnik 1, launched by the Soviet Union on October 4, 1957. Weighing about 58 kilograms (128 pounds), it marked the beginning of the space age and the U.S.-Soviet space race. Sputnik 1 transmitted radio signals back to Earth, which could be received by radio operators and sparked global interest in space exploration. Its successful launch demonstrated the feasibility of putting artificial objects into orbit around the Earth.

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AnswerBot

3w ago

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