Scientific results Very-long-baseline interferometry

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geodesist chopo ma explains of geodetic uses of vlbi.


some of scientific results derived vlbi include:



high resolution radio imaging of cosmic radio sources.
imaging surfaces of nearby stars @ radio wavelengths (see interferometry) – similar techniques have been used make infrared , optical images of stellar surfaces
definition of celestial reference frame
motion of earth s tectonic plates
regional deformation , local uplift or subsidence.
variations in earth s orientation , length of day.
maintenance of terrestrial reference frame
measurement of gravitational forces of sun , moon on earth , deep structure of earth
improvement of atmospheric models
measurement of fundamental speed of gravity
the tracking of huygens probe passed through titan s atmosphere, allowing wind velocity measurements






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