KIDS TRIVIA

Detailed explanation-1: -Explorer 1 became the first successfully launched satellite by the United States when it was sent to space on January 31, 1958. A quick response to the Soviet Union’s launch of Sputnik 1, Explorer 1’s success marked the beginning of the U.S. Space Age.

Detailed explanation-2: -The first scientific discovery in space came from Explorer 1. Earth is surrounded by radiation belts of electrons and charged particles, some of them moving at nearly the speed of light, about 186, 000 miles (299, 000 km) per second. The two belts are shaped like giant doughnuts with Earth at the center.