How we get pictures from space

Details How we get pictures from space How we get pictures from space

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mercu..19...77h&link_type=abstract

Mercury (ISSN 0047-6773), vol. 19, May-June 1990, p. 77-83.

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Spaceborne Photography, Telemetry, Data Compression, Deep Space Network, Image Processing, Raster Scanning, Spaceborne Astronomy, Voyager 2 Spacecraft, Space, Exploration, Popular, Photographs, Spacecraft Observations, Technical Aspects, Imagery, Diagrams, Satellites, Surface, Features, Voyager Missions, Telemetry, Cameras, Equipment, Techniques, Catalog, Image Processing

Scientific paper

A brief overview is presented of the application and importance of telemetry technology, the technique of transmitting data by means of radio signals to distant locations. The process of scanning and transmitting images from outer space to earth is likened to the way a television set works and eloquent explanations of terms such as 'pixel' and 'rastar' are given. A brief history is presented of unmanned U.S. spacecraft and a list of pictures which they have rendered is provided. The missions, hardware, and capabilities of the Voyager-2 are discussed. The process of collection, transmission, and interpretation of Voyager data is detailed.

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