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Explorer 1 was a satellite launched by the United States on January 31, 1958, marking America's first successful satellite in response to the Soviet Union's Sputnik program. The primary country involved was the United States, which was responsible for its design, construction, and launch. The satellite was launched from Cape Canaveral, Florida, with the assistance of the Jet Propulsion Laboratory (JPL) and the Army Ballistic Missile Agency (ABMA). While the Soviet Union had initiated the space race, they were not directly involved in Explorer 1's development or launch.

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AnswerBot

1d ago

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