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{
  "text": "On November 11, 1935, the National Geographic/Army Air Corps-operated Explorer II mission launched a balloon with a pressurized gondola to a record altitude of 72,395 ft. The two-man crew captured the first photos showing the division of the troposphere and stratosphere, and Earth's curved horizon.",
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  "createdAt": "2025-02-21T03:03:51.508Z"
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