High Quality NASA Video

Satellites in space play a crucial role in various fields, including communication, navigation, Earth observation, scientific research, and national security. Satellites are objects that orbit around planets, moons, or other celestial bodies. In the context of your question, I'll focus on artificial satellites orbiting Earth.

The National Aeronautics and Space Administration (NASA) is the United States government agency responsible for the nation's civilian space program and for aeronautics and aerospace research. It was established on July 29, 1958, by the National Aeronautics and Space Act, and officially began operations on October 1, 1958. NASA's mission includes the exploration of space, conducting scientific research, advancing technology, and developing space missions for various purposes.