SOLAR SYSTEM

Detailed explanation-1: -On July 12, 1962, Telstar relayed the first transatlantic television signal, which traveled from the Andover Earth Station in northwestern Maine to the Pleumeur-Bodou Telecom Center in Brittany, France.

Detailed explanation-2: -Launched on July 10, 1962, Telstar 1, developed by the American Telephone and Telegraph Company (AT&T), was the world’s first active communications satellite. AT&T used the satellite to test basic features of communications via space.

Detailed explanation-3: -Telstar 1 was launched on July 10, 1962, from the Cape Canaveral Air Force Station, Florida, atop a Delta rocket.

Detailed explanation-4: -Telstar 1, primarily a communications satellite, carried an experiment designed to measure the energetic proton and electron distribution in the Van Allen belts. The spacecraft spin rate varied according to r=(178.2)exp(-t/333) rpm, where t was in days from launch.