U.S. Army Obital Illustration
This official U.S. Army illustration captioned: "Artist's drawing illustrates the approximate path over teh Earth of the satellite launched by the U.S. Army. At the orbital velocity of 18,00 miles per hour, the satellite is circling EArth in about 100 minutes."
Image Credit: James A. Vanllen Papers (RG 99.0142), University Archives, The University of Iowa Libraries
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https://science.nasa.gov/image-detail/amf-d4fee968-88d7-42ec-82e3-34d5f826a761/
Image CreditJames A. Vanllen Papers (RG 99.0142), University Archives, The University of Iowa Libraries
Size1200x961px
