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Identify the correct chronological order of the launching of the satellite from the following: (A) Sputnik, ARPA, Syncom I, Syncom II (B) Sputnik, Syncom I, Syncom II, ARPA (C) Syncom I, Syncom II, Sputnik, ARPA (D) ARPA, Sputnik, Syncom I, Syncom II Correct Ans: (A) Explanation:The evolution of satellite technology has transformed communication forever. Understanding the correct order of key satellite launches provides insight into the technological race and progress in space communication. The correct chronological order is: Sputnik, ARPA, Syncom I, and Syncom II. Firstly, Sputnik, launched by the Soviet Union on October 4, 1957, was the world’s first artificial satellite. Its successful orbit marked the beginning of the space age and triggered a competitive space race between superpowers. Following Sputnik, the United States established the Advanced Research Projects Agency (ARPA) in 1958, in response to Sputnik’s launch. Although not a satellite, ARPA played a crucial role in space technology development and laid the foundation for innovations like the internet (through ARPANET). Next in line, Syncom I was launched by NASA on February 14, 1963. It was the first attempt to place a satellite in geosynchronous orbit, though it failed to reach the desired orbit due to technical issues. However, success followed with Syncom II, launched on July 26, 1963. It became the first geosynchronous communication satellite to operate effectively. It provided a real-time communications link between North America and Europe, marking a breakthrough in satellite communications. In summary, each launch marked a new phase in global communication, moving from basic satellite tracking to real-time data transmission. The timeline reflects the strategic and technological priorities of the Cold War era, shaping how we communicate today.

Tag: satellite technology

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