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Tähistaeval põhinevatest uskumustest III Vana-Hiina [PDF]
Mäetagused, 2002 The article concerns Chinese astral myths, calendar and astrology. Chinese creation myths concern also the creation of the Sun, Moon and stars. The heavenly bodies are constantly endangered by the sky dragon that now and then catches them, probably a ...
Enn Kasak
doaj
Spectropolarimetry of Comet Halley [PDF]
International Astronomical Union Colloquium, 1991 AbstractSpectropolarimetric observations from 3800 to 7000 Å were obtained for the nucleus of comet Halley for nine nights during 1985-86. The observations were spaced over phase angle of 2 to 66 °. The continuum polarization without molecular-line contamination as well as the polarization of the molecular lines were evaluated. The plot of polarization
D. T. Wickramasinghe +2 more
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Seeing Halley's Comet: A guide for observers in the Northern Hemisphere [PDF]
A guide for the observation of Halley's comet is presented. The path of the comet is described for the fly by dates and charts are provided for location of the comet in the morning or evening skies.
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Mission strategy for cometary exploration in the 1980's [PDF]
A sequence of ballistic intercept missions to comets is proposed. The mission set is composed of a well-known group of periodic comets whose physical properties are dissimilar. In addition to full descriptions of the nominal mission profiles, earth-based
Farquhar, R. W.
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Solar array conceptual design for the Halley's Comet ion drive mission, phase 2 [PDF]
Conceptual design studies were performed directed toward a high power, ultralightweight solar array, compatible with the requirements for the Halley's Comet Ion Drive Mission.
Rayl, G. J. +2 more
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Comet Halley and history [PDF]
A history of Halley's Comet is presented.
Marsden, B. G.
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Field Museum of Natural History bulletin. [PDF]
, 1987 v.
Chicago Natural History Museum. +2 more
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Halley's comet 1985-86: space exploration [PDF]
A coordinated program to explore Halley's comet in 1985 to 86 is proposed. The program employs a variety of observational systems for remote observations and utilizes spacecraft encounters with the comet to obtain in-situ measurements.
Farquhar, R. W., Wooden, W. H., II
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