Statistics – Applications
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250b.131s&link_type=abstract
In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 2: Dust and Nucleus p 131-143 (SEE N
Statistics
Applications
Chemical Composition, Cosmic Dust, Halley'S Comet, Infrared Spectra, Comet Nuclei, Evolution (Development), Ice, Mass Distribution
Scientific paper
Recent major advances in the understanding of comet Halley's dust environment are highlighted and a wide range of related problems reviewed. Addressed individually are: selected spacecraft results, namely the dust composition, the detection of subfemtogram grains, and the particle-mass distribution; jets and the dust-emission pattern; the existence of discrete sources on the nucleus surface and the determination of their locations from day-to-day motions of coma features; CN jets; large-scale phenomena, including an antitail, streamers, and a sunward spike; infrared observations, highlighted by recent detections of the 3.4 μm emission feature, first applications of array detectors, and rare far-infrared data; the chemical modification of low-temperature ices by UV and cosmic-ray irradiation processes, their laboratory simulations, and applications to the evolution of comets; the "interstellar-connection" models of comet origin; and the formation of a mantle made of refractory organic material on the nucleus surface.
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