Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept..136w&link_type=abstract
In NASA, Washington Reports of Planetary Astronomy, 1985 p 136-137 (SEE N87-12407 03-89)
Astronomy and Astrophysics
Astronomy
Astronomical Spectroscopy, Comet Nuclei, Halley'S Comet, Molecular Spectra, Stellar Evolution, Cosmic Dust, Cosmic Gases, Molecular Ions, Particle Production
Scientific paper
Comets constitute the most accessible samples of the outer solar system in its most primitive state. The physical and chemical properties of comet nuclei were determined to infer the conditions and processes related to the origin and evolution of the outer solar system. The procedure is to acquire and analyze digital spectra of a sample of comets covering a large range in heliocentric distance. During 1984 to 1986 the emphasis has been on Comet P/Halley (1982i). Large ground-based telescopes and state-of-the-art detectors were used to observe Comet P/Halley pre- and post-perihelion, covering a heliocentric distance range, 0.9 to 6.1 AU.
Wehinger Peter A.
Wyckoff Susan
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