After their successes in putting the first man-made object into space the scientists of the Soviet space programme set their sights on a more remote target. Between September 1958 and June 1959 the Soviet Union launched a series of rockets carrying probes that they hoped would reach the Moon. All of the first three attempts failed to leave the Earth's atmosphere and while fourth probe, Luna 1, was successfully launched it missed the Moon by about 6,000km and became the first man-made object to enter orbit around the Sun. During the fifth attempt, the guidance systems of the R-7 rocket failed and the mission was aborted.Early in the morning on 12th September 1959, a R-7 Semyorka rocket launched from the Baikonur Cosmodrome in Kazakhstan carrying the lunar probe. This probe, called Luna 2, successfully separated from the third stage of the rocket and both headed off towards the Moon. Along the way it confirmed the presence of the solar wind, which was first detected by Luna 1. The next day Luna 2 expelled a bright cloud of sodium gas to aid the scientists in tracking its progress and so that they could observe the behaviour of gases in space.
At a little after 10pm UTC, on 14th September the scientists stopped receiving transmissions from Luna 2 indicating that it had impacted with the Moon. The probe landed somewhere in the Palus Putredinus ('Marsh of Decay'). Before crashing instruments on Luna 2 demonstrated that, unlike the Earth, the Moon had no radiation belts nor a significant magnetic field.
The Luna programme continued until 1976 by which time NASA had sucessfully made manned missions to the Moon, something the Soviets never achieved. To read more visit the Zarya site, which includes web-pages dedicated to the Luna missions.
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I really don't recall ever having heard about this. Thanks for consistently posting such interesting material. Doug
ReplyDeletecool.
ReplyDeleteCan you please tell me what was the first man made object in space, with certainty?
ReplyDeleteThanks for the comments.
ReplyDeleteAnon: I think that rather depends on where you consider space to begin. I believe that German V-2 rockets and American experimental planes reached the edge of the atmosphere in the 40s and 50s respectively. Nevertheless, the Russian satellite Sputnik 1 is generally considered to be the first man-made object to reach outer space in 1957.