USA HISTORY

Detailed explanation-1: -An orbit is a regular, repeating path that one object takes around another object or center of gravity. Orbiting objects, which are called satellites, include planets, moons, asteroids, and manmade devices. Objects orbit each other because of gravity.

Detailed explanation-2: -A satellite is anything that orbits around a larger object. A natural satellite is any celestial body in space that orbits around a larger body. Moons are called natural satellites because they orbit planets.

Detailed explanation-3: -Sputnik’s official designation was “PS-1” or “Elementary Satellite 1” in Russian. The satellite was launched from what is now called the Baikonur Cosmodrome on Oct. 4, 1957. The 184.3-pound (83.6 kg) craft’s primary function was to place a radio transmitter into orbit around the Earth.

Detailed explanation-4: -The Soviet Union inaugurates the “Space Age” with its launch of Sputnik, the world’s first artificial satellite, on October 4, 1957. The spacecraft, named Sputnik after the Russian word for “fellow traveler, ” was launched at 10:29 p.m. Moscow time from the Tyuratam launch base in the Kazakh Republic.