SOLAR SYSTEM

Detailed explanation-1: -Telstar, launched on July 10, 1962, was the world’s first active communications satellite. After its launch, models of the satellite circulated around the US to museums and local community centers.

Detailed explanation-2: -The first passive satellite transponder was developed and launched by the United States in 1960. The satellite, known as Echo 1, was a large metallic balloon that was able to reflect radio signals back to Earth. The Echo 1 satellite was launched into a low Earth orbit and had a diameter of approximately 100 feet.

Detailed explanation-3: -Global Beam: A satellite beam with wide geographic coverage of 40 percent of the Earth’s surface, as seen from the satellite.