Passage: The Space Age began with the development of several technologies that converged with the October 4, 1957 launch of Sputnik 1 by the Soviet Union. This was the world's first artificial satellite, orbiting the Earth in 98.1 minutes and weighing 83 kg (183 lb). The launch of Sputnik 1 ushered in a new era of political, scientific and technological achievements that became known as the Space Age.The Space Age was characterized by rapid development of new technology in a close race mostly between the United States and the Soviet Union. Rapid advances were made in rocketry, materials science, computers and other areas. Much of the technology originally developed for space applications has been spun off and found additional uses, memory foam is an example of this.

Question: How many kilograms does the Sputnik 1 weigh?
83 kg