Ranger 7 Launch, 1964
Ranger 7 was the first US space probe to successfully transmit close images of the lunar surface back to Earth. Launched on July 28, 1964, Ranger 7 was designed to achieve a lunar-impact trajectory and to transmit high-resolution photographs of the lunar surface during the final minutes of flight up to impact. The spacecraft carried six television vidicon cameras; two wide-angle and four narrow-angle. Ranger 7 transmitted over 4,300 photographs during the final 17 minutes of its flight. After hours of flight, the spacecraft landed between Mare Nubium and Oceanus Procellarum. This landing site was later named Mare Cognitum. The velocity at impact was miles per second, and the performance of the spacecraft exceeded hopes. No other experiments were carried on the spacecraft.
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