Final answer:
False, the section does not define the purpose of satellites but rather provides a history of how Sputnik's launch initiated the space race and implies the potential uses of satellites.
Step-by-step explanation:
The content in the provided section does not define the purpose of satellites in space. Instead, it discusses the historical context in which satellites like Sputnik became relevant – starting the space race and the role they played in the competition between the United States and the Soviet Union.
It mentions the functions of early satellites, such as Sputnik, which ran on batteries and served no military purpose, while implying the potential military and reconnaissance capabilities that satellites could have. Later developments in satellite technology expanded their uses to include weather tracking, communications, and military purposes, among others.