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EXPLORER SATELLITE
Image 1:
Model of Explorer I. This was the first U.S. made spacecraft to orbit the earth in 1958.
Image Credit: NASA
More Information:
NASA Home Page
Image 2:
Dr. William H. Pickering, Dr. James A. Van Allen and Dr. Wernher von Braun (left to right) hoist a model of Explorer I and the final stage after the launching Jan. 31, 1958. Explorer I, the first U.S. earth satellite was launched by a Jupiter-C with U.S. earth - IGY scientific experiments of Dr. James A. Van Allen, which discovered the radiation belt around the earth.
Image Credit: NASA
More Information:
Jet Propulsion Laboratory
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