Most common geostationary satellites are either weather satellites, communication satellites relaying signals between two or more ground stations and satellites that broadcast signals to a large area on the planet. The b... More » Science Astronomy

Artificial satellites are used for many purposes, including communications, navigation, gathering weather information, creating maps and even spying. Artificial satellites come in several forms, including telescopes and ... More » Science Astronomy

Although scientists use the term celestial body quite broadly, when they refer to a celestial body orbiting another body they are generally talking about natural satellites, or moons, orbiting a larger body such as a pla... More » Science Astronomy
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As of 2015, India has launched six major types of satellites into space: communication, Earth observation, navigation, experimental, small and student satellites. Scientific spacecrafts were also sent to space primarily ... More » Science Astronomy

As of 2014, over 3,700 man-made satellites orbit around the Earth. However, only approximately 1,100 of these are currently active. The rest are defunct or temporarily inactive. More » Science Astronomy

Hot Bird refers to a number of satellites operated by Eutelsat, a satellite company serving broadcasters, telecoms, ISPs and government agencies. Well-used Hot Bird satellites include the four broadcasting satellites ope... More » Science Astronomy

The solar system is made up of the sun and all the planets, dwarf planets, moons, asteroids, meteoroids, comets, ice, rocks, artificial satellites and space-faring vessels. Living beings are also in the solar system, alt... More » Science Astronomy