Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983tdar.nasa..114b&link_type=abstract
In its The Telecommun. and Data Acquisition Rept. p 114-115 (SEE N83-34960 23-12)
Astronomy and Astrophysics
Astronomy
Comets, Radio Astronomy, Albedo, Cometary Atmospheres, Planetary Evolution, Power Spectra, Radar Cross Sections, Ratios, Solar System
Scientific paper
The application of modern planetary radar techniques to a comet passing in close proximity to Earth is discussed. These techniques have the potential to determine the nature of cometary origins, structure, and internal dynamics. Moreover, the understanding gained could very likely negate or corroborate one of the prevailing hypotheses regarding the origin of the solar system: that comets are the remainder of the primordial out of which the planets coalesced approximately 4.5 billion years ago. In 1983, two unique opportunities were presented to observe a comet very near to Earth. The last such encounter was several centuries ago.
Bogan James R.
Goldstein Raymond M.
Jurgens Raymond F.
Shaffer R. D.
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