SOMETIME IN 1964, THE COUNTDOWN WILL BEGIN TO LAUNCH THE NASA-GRUMAN OAO .... 10 9 8 7 6 5 4 3 2 1 0 [cover title]. Bethpage, New York: Gruman Aircraft Engineering Corporation, n.d. [1961]. Paper model rocket kit. "The Orbiting Astronomical Observatory (OAO) satellites were a series of four American space observatories launched by NASA between 1966 and 1972, which provided the first high-quality observations of many objects in ultraviolet light. Although two OAO missions were failures, the success of the other two increased awareness within the astronomical community of the benefits of space-based observations, and led to the instigation of the Hubble Space Telescope." - Wikipedia. Fine. (#162866).
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