A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses...

Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly...

A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication...

A satellite navigation or satnav system is a system that uses satellites to provide autonomous geopositioning. A satellite navigation system with global...

A natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another...

Starlink is a satellite internet constellation operated by Starlink Services, LLC, a wholly owned subsidiary of American aerospace company SpaceX, providing...

Navstar GPS, is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. It is one of...

A satellite telephone, satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through...

A satellite state or dependent state is a country that is formally independent but under heavy political, economic, and military influence or control...

Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites...