USA HISTORY

Detailed explanation-1: -The competition gained Western public attention with the “Sputnik crisis", when the USSR achieved the first successful satellite launch, Sputnik 1, on October 4, 1957.

Detailed explanation-2: -The USSR rocketed to the lead in the Cold War’s “Space Race” with the launch of Sputnik, a basketball-sized satellite that became the first manmade object to orbit the Earth. On October 4, 1957, the USSR launched Sputnik, the first artificial satellite to orbit Earth.

Detailed explanation-3: -The world’s first artificial satellite, Sputnik 1, was launched by the Soviet Union in 1957, marking the start of the space race.

Detailed explanation-4: -Oct 4, 1957: The Soviet Union successfully sends the first man-made object into space. Sputnik is the world’s first orbital satellite. November 3, 1957: The second experimental spacecraft successfully launched into earth orbit, Sputnik 2 contained onboard the dog Laika-the first biological organism to enter space.

Detailed explanation-5: -The United States’ much-hyped first attempt at launching a satellite into orbit failed on December 6, 1957, ending in an explosion.