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A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses, including communication relay, weather forecasting , navigation ( GPS ), broadcasting , scientific research, and Earth observation.
An artificial satellite is an object that people have made and launched into orbit using rockets. There are currently over 3,000 active satellites orbiting the Earth. The size, altitude and design of a satellite depend on its purpose.
Jun 26, 2024 · Satellites are used to study the many celestial bodies in the solar system. To date, artificial satellites have orbited many significant planets and moons in our solar system, as well as numerous smaller objects like dwarf planets, asteroids and comets.
Jun 6, 2022 · The tin cans we think of as satellites are actually artificial (human-built) satellites that move in precisely calculated paths, circular or elliptical (oval), at various distances from Earth, usually well outside its atmosphere.
Artificial satellites are human-built objects orbiting the Earth and other planets in the Solar System. They are used to study the Earth, other planets, aiding communication, and even to observe the distant universe. Satellites can even have people in them, like the International Space Station.
Jan 17, 2022 · There are two kinds of satellites: natural (such as the moon orbiting the Earth) or artificial (such as the International Space Station orbiting the Earth). There are dozens upon dozens of...
Jun 25, 2024 · Earth satellite, artificial object launched into a temporary or permanent orbit around Earth. Spacecraft of this type may be either crewed or uncrewed, the latter being the most common. The idea of an artificial satellite in orbital flight was first suggested by Sir Isaac Newton in his book Philosophiae Naturalis Principia Mathematica (1687).
