Satellite - Wikipedia
WebA satellite or artificial satellite is an object in space, 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 …
Communications satellite - Wikipedia
WebA communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.
List of Earth observation satellites - Wikipedia
WebEarth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather, long-term climate change, natural disasters.
Natural satellite - Wikipedia
WebA 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 natural satellite). Natural satellites are colloquially referred to as moons, a derivation from the Moon of Earth.
Satellite imagery - Wikipedia
WebSatellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.
What is a satellite? - NASA
WebSep 5, 2018 · A satellite is a body that orbits around another body in space. There are two different types of satellites – natural and man-made. Examples of natural satellites are the Earth and Moon. The Earth rotates around the Sun and the Moon rotates around the Earth.
Communications Satellites | National Air and Space Museum
WebSatellites positioned in high orbits could "see" large swaths of Earth, allowing them to receive and send signals from distant places. Satellites brought radical change, filling in communication gaps and providing telephone and television connection nearly worldwide.
Satellite (artificial) - Simple English Wikipedia, the free …
WebA satellite is an object that orbits another object. In space, satellites may be natural, or artificial. The moon is a natural satellite that orbits the Earth. Most artificial satellites also orbit the Earth, but some orbit other planets, or the Sun or Moon. Satellites are used for many purposes.
What Is a Satellite? | NASA Space Place – NASA Science for Kids
WebMay 6, 2024 · The Short Answer: A satellite is anything that orbits a planet or a star. Earth is a satellite orbiting the Sun. The Moon is a satellite orbiting Earth. When you launch a spacecraft into orbit around Earth, that’s a satellite, too. This kind of satellite can help us learn about Earth and the universe.
Natural satellite - Simple English Wikipedia, the free encyclopedia
WebAnything that goes around a planet is called a satellite. Moons are natural satellites. People also use rockets to send machines into orbit around the Earth. These machines are called artificial (man-made) satellites.
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