Luna 5 failures, the soft landing attempt failed, and "Luna 5" impacted the Moon. The place of impact was firstly announced as (coast of Mare Nubium), but later it was estimated as (near crater Copernicus). It was the second Soviet spacecraft to reach the surface of the Moon, following "Luna 2" in 1959. An observatory noted a plume produced by the impact, which was visible for ten minutes. Luna 5 Luna 5, or E-6 No.10, was an unmanned Soviet spacecraft intended to land on the Moon as part of the Luna programme. It was intended to become the first spacecraft to achieve
Luna 2 radiation caused by charged particles. “The Geiger Counter carried on "Luna 2" had the primary scientific objective of determining the electron spectrum of the outer radiation belt. The instrument consisted of three STS-5 gas-discharge counters mounted on the outside of the hermetically sealed container, and would be powered by a 360 V battery”. The last instrument on Luna 2 was, “a three component fluxgate magnetometer similar to that used on Luna 1 but with the dynamic range reduced by a factor of 4 to -750 to +750 gammas so that the quantization uncertainty was -12 to +12 gammas.” Together the