 Sputnik 1 broadcast for 21 days until its batteries depleted on 4 October 1957, and the satellite finally fell from orbit on 4 January 1958.The Luna programme was a series of uncrewed robotic satellite launches with the goal 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.