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  Saturday, October 31, 2020
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Monday is the 47th anniversary of the launch of the first satellite to orbit Earth, SP-1 (Sputnik 1).
The Russian Academy of Cosmonautics said that in 1967, October 4, 1957 - the launch date - was named the beginning of the space age. Sputnik 1 was put into orbit by a R-7 carrier rocket that was launched from Soviet Union's Defense Ministry's 5th research testing ground (later named Baikonur). Sputnik 1 was a 58cm-diameter sphere that weighed 83.6kg. The satellite was equipped with four 2.4-2.9m antennas that transmitted radio signals from the battery-powered transmitters on the satellite. The satellite and the 7.5 metric ton central unit of the rocket reached an elliptical orbit (the apogee was 947km and the perigee was 288km) 295 seconds after the launch. The satellite separated from the second stage of the rocket 315 seconds after the launch and the world heard the satellite. The satellite orbited Earth for 92 days, until January 4, 1958. It completed 1,440 orbits of the Earth and its radio transmitters worked for two weeks. The United States repeated the Soviet Union's success on February 1, 1958. On its second attempt the US launched the Explorer 1 satellite, which weighed ten time less than Sputnik. Monday is the third anniversary of the Space Forces of the Russian Federation. An official spokesman for the Space Forces told RIA Novosti that in three years, the Space Forces had launched 16 rockets and put 24 different spacecraft into orbit. The Space Forces has also launched five ICBMs for the Strategic Rocket Forces. The Space Forces comprises contains formations and units that launch and control spacecraft, rocket and space defense formations and units and military education institutions. The Space Forcers operates the Plesetsk space center (northern Russia), the Baikonur space center (Kazakhstan), the Svobodny space center (Russian Far East), which includes the Main Center forTesting and Application of Space Assets, the Titov Main Center for Testing and Application of Space Assets, a rocket space defense formation, the Mozhaisky Military Space Academy (St. Petersburg), the Pushkin Military Institute of Radio Electronics (Pushkin, Leningrad region), the Moscow Military Institute of Radio Electronics (Kubinka, Moscow region) and the Peter the Great Military Space Cadet Corps (St. Petersburg).
Print Monday is the 47th anniversary of the launch of the first satellite to orbit Earth, SP-1 (Sputnik 1). Bookmark Monday is the 47th anniversary of the launch of the first satellite to orbit Earth, SP-1 (Sputnik 1).

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