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Soviet and Russian Lunar Exploration

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Luna 11, 12 design<br />

presumably this was accomplished on the first day during the low points of the orbital<br />

passes. Thrusters were used extensively to point Luna 12 toward l<strong>and</strong>ing sites <strong>and</strong> on<br />

the second day the spacecraft was put into a slow roll so as to accomplish the rest of its<br />

mission.<br />

The whole mission lasted three months <strong>and</strong> ended on 19th January 1967 after 85<br />

days, 602 orbits <strong>and</strong> 302 communications sessions. The imaging, scanner <strong>and</strong> relay<br />

system had a resolution of between 15 m <strong>and</strong> 20 m <strong>and</strong> could be transmitted at either<br />

67 lines/frame for 125 sec (quick look) or at 1,100 lines a frame for 34min (high<br />

resolution). The target areas were the Sea of Rains, Ocean of Storms <strong>and</strong> craters<br />

Ariastarcus <strong>and</strong> Alphonsus: a <strong>Soviet</strong> photograph released late in 1966 showed<br />

cosmonauts Yuri Gagarin, Alexei Leonov, Vladimir Komarov <strong>and</strong> Yevgeni Khrunov<br />

pouring excitedly over its pictures.<br />

The <strong>Russian</strong>s gave only a short account of the Luna 12 mission, the principal one<br />

being Luna 12 transmits, published in Pravda on 6th November 1966 <strong>and</strong> they released<br />

only a small number of images from Luna 12, much inferior in quality to the American

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