Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975icar...24..143w&link_type=abstract
Icarus, vol. 24, Feb. 1975, p. 143-147.
Astronomy and Astrophysics
Astronomy
1
Brightness Temperature, Microwave Emission, Radio Astronomy, Terrestrial Radiation, Light Curve, Microwave Imagery, Microwave Radiometers, Nimbus 5 Satellite, Resolution
Scientific paper
Using 1.55 cm observations of the earth made by the Electrically Scanned Microwave Radiometer (ESMR) experiment on Nimbus 5, the appearance of the earth from Venus is simulated. A single antenna unable to resolve the earth's disk would give a time-averaged disk temperature of 183 K. In one rotation, the disk temperature would vary from 194 K to 172 K. During the 1973 inferior conjunction, a radio telescope with 1 arc sec resolution would resolve most of the major surface features of the earth.
Chang Tzu-Ching
Darby L. T.
Finkelstein H. M.
Webster William J. Jr.
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