KIDS TRIVIA

Detailed explanation-1: -On October 4, 1957, the Soviet Union launched the earth’s first artificial satellite, Sputnik I. The successful launch came as a shock to experts and citizens in the United States, who had hoped that the United States would accomplish this scientific advancement first.

Detailed explanation-2: -The first artificial Earth satellite was Sputnik 1, launched by the Soviet Union in October 1957; the first successful American satellite was launched in January 1958.

Detailed explanation-3: -On October 4, 1957, nearly three centuries after Newton had proposed his theory, the Soviet Union launched the first Earth satellite, Sputnik 1. Sputnik circled Earth every 96 minutes, and its simple radio signal was heard by scientists and radio operators across the world.