communications satellite

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The satellite's solar panels are arrays of solar cells that provide the electrical energy needed for its functions, the power being stored in batteries. Its antennas may be 8 ft (2.5 m) in diameter and may transmit wide-area-of-coverage beams or narrowly focused “spot” beams.

Space shuttle Endeavour astronauts capturing the 4.5-ton Intelsat VI, a communications satellite stranded in an unusable orbit, in order to repair it, 1992.

NASA launch of Early Bird, or Intelsat I

Early Bird, or Intelsat I

Molniya 1L, a television communications satellite launched April 11, 1969.

Replicas of the synchronous communications satellites that allowed the 1968 Olympic Games to be televised in Europe and Japan.

Discover

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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

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Woman tied to a ducking stool, a method of punishment by means of humiliation, beating, or death. (cucking stool)

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Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint

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Diverse elementary school children wearing school uniforms running outside of school. Boys girls

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Iraqi Army Soldiers from the 9th Mechanized Division learning to operate and maintain M1A1 Abrams Main Battle Tanks at Besmaya Combat Training Center, Baghdad, Iraq, 2011. Military training. Iraq war. U.S. Army

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communications satellite: Related Content

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Photos

The satellite's solar panels are arrays of solar cells that provide the electrical energy needed for its functions, the power being stored in batteries. Its antennas may be 8 ft (2.5 m) in diameter and may transmit wide-area-of-coverage beams or narrowly focused “spot” beams.

Space shuttle Endeavour astronauts capturing the 4.5-ton Intelsat VI, a communications satellite stranded in an unusable orbit, in order to repair it, 1992.

NASA launch of Early Bird, or Intelsat I

Early Bird, or Intelsat I

Molniya 1L, a television communications satellite launched April 11, 1969.

Replicas of the synchronous communications satellites that allowed the 1968 Olympic Games to be televised in Europe and Japan.

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Topics

Telstar Syncom 2 Syncom 3 Westar satellite communication Earth satellite solar wind power satellite satellite radio Science and Technology Satellite Landsat Kosmos Sputnik Kwangmyŏngsŏng THEMIS Discoverer Vela

Key People

Pierce, John Robinson

John Robinson Pierce

American scientist

William P. Lear

American engineer and industrialist

Harold Rosen

American engineer

Quiz

Armed Forces Radio Services broadcaster Jack Brown interviews Humphrey Bogart and Lauren Bacall for broadcast to troops overseas during World War II.

Communications Firsts Quiz

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

All About Astronomy