Physics
Scientific paper
Aug 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974stin...7517258w&link_type=abstract
Unknown
Physics
Comet Nuclei, Flyby Missions, Imaging Techniques, Astronomical Models, Brightness, Cosmic Dust, Electromagnetic Radiation, Mie Scattering, Onboard Equipment, Space Debris
Scientific paper
The feasibility was investigated of obtaining optical images of a cometary nucleus via a flyby of Comet Encke. A physical model of the dust cloud surrounding the nucleus was developed by using available physical data and theoretical knowledge of cometary physics. Using this model and a Mie scattering code, calculations were made of the absolute surface brightness of the dust in the line of sight of the on-board camera and the relative surface brightness of the dust compared to the nucleus. The brightness was calculated as a function of heliocentric distance and for different phase angles (sun-comet-spacecraft angle).
Anderson Albert D.
Benson Robert S.
Gal George
Wells William C.
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