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Show Rocket Ascended Over 44 Miles, Above Stratosphere In the United States, the first man-made object to pass beyond the stratosphere was a rocket fired secretly at White Sands, New Mexico, on October 25, 1945, says Collier's. Developed by the GALCIT organization of the California Cali-fornia Institute of Technology, this rocket, the starting weight of which was 680 pounds, was propelled pro-pelled by liquid fuel to a height of 235,000 feet, or over 44 miles, according ac-cording to the radar equipment that measured its flight. |