
Satellite - Wikipedia
Satellites are spacecraft launched from the surface into space by launch systems. Satellites can then change or maintain their orbit by propulsion, usually by chemical or ion thrusters.
What Is a Satellite? | NASA Space Place – NASA Science for Kids
Sep 25, 2025 · So, Earth is a satellite, because it orbits the Sun! The Moon is also a satellite because it orbits Earth. But, usually, the word "satellite" refers to a machine that is launched …
Satellite | Orbits, Communication & Navigation | Britannica
Satellite, natural object (moon) or spacecraft (artificial satellite) orbiting a larger astronomical body. Most known natural satellites orbit planets; the Earth’s Moon is the most obvious example.
What is a satellite? | Space
Jan 17, 2022 · A satellite is an object in space that orbits or circles around a bigger object. There are two kinds of satellites: natural (such as the moon orbiting the Earth) or artificial (such as the...
What Is a Satellite? - How Satellites Work | HowStuffWorks
A satellite is any object that moves in a curved path around a planet. The moon is Earth's original, natural satellite, and there are many man-made (artificial) satellites, usually closer to Earth.
What is a satellite? - Canadian Space Agency
A satellite is a space object that orbits a larger body, such as a planet or a star. There are natural and artificial satellites.
Satellite – Definition & Detailed Explanation - Sentinel Mission
Aug 21, 2025 · A satellite is an object that orbits around a larger object in space. In the context of space exploration, satellites are man-made objects that are launched into space to perform …
What Is a Satellite & How Does It Work? - Optics Mag
May 30, 2025 · Each satellite is placed in a specific orbit for a particular purpose. For example, lower earth orbit satellites are well suited to reconnaissance and imaging of the Earth’s surface …
Satellite Basics - Intelsat
Technically, a satellite is any object that orbits a “celestial body” like a planet, moon, or star. But when we are referring to satellites, we are referring to the human-made devices that orbit the …
What IS a Satellite? | NESDIS | National Environmental Satellite, …
May 20, 2016 · But did you know the word satellite actually refers to any object (man-made or natural) orbiting another, larger object? For example, the moon is actually a satellite orbiting …