History of spaceflight of studying the moon.The program ran from 1959 to 1976 and consisted of 15 successful missions, the program achieved many first achievements and collected data on the Moon's chemical composition, gravity, temperature, and radiation. Luna 2 became the first man made object to make contact with the moons surface in September 1959. Luna 3 returned the first photographs of the far side of the moon in October 1959. The Vostok Programme the first Soviet spaceflight project to put the Soviet citizens into low Earth orbit and return them safely. The programme carried out six manned spaceflights between 1961 and 1963.
Mars 2 of entry was too steep. The descent sequence did not operate as planned and the parachute did not deploy. The descent module became the first man-made object to impact the surface of Mars. The exact crash site is unknown, but it is estimated to be at . Attempts to contact the probe after the crash were unsuccessful. Mars 2 The Mars 2 was an unmanned space probe of the Mars program, a series of unmanned Mars landers and orbiters launched by the Soviet Union May 19, 1971. The Mars 2 and Mars 3 missions consisted of identical spacecraft, each with