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There is no “cometopause” at comet Halley
Journal of Geophysical Research: Space Physics, 1994Immediately after the flybys at comet Halley by a fleet of spacecraft in 1986, Gringauz et al. (1986a) reported the detection by the Vega‐ 2 spacecraft of a chemical and sharp plasma boundary, which they named the “cometopause,” at a distance of ∼1.6 × 105 km from the nucleus.
Rème, H. +5 more
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Annual Review of Earth and Planetary Sciences, 1982
Since 240 B.C., Chinese observers have documented a nearly unbroken record of scientifically useful observations of Periodic Comet Halley (P/Halley). Investigations of the comet's motion by Western astronomers are discussed, taking into account the first successful prediction of a cometary return by Halley (1705), computations conducted by Rosenberger (
R L Newburn, D K Yeomans
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Since 240 B.C., Chinese observers have documented a nearly unbroken record of scientifically useful observations of Periodic Comet Halley (P/Halley). Investigations of the comet's motion by Western astronomers are discussed, taking into account the first successful prediction of a cometary return by Halley (1705), computations conducted by Rosenberger (
R L Newburn, D K Yeomans
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2008
At its 1986 apparition, Halley’s Comet became by far the most studied comet in history with five space probes encountering it and a multitude of ground based telescopes observations carried out by both amature and professional astronomers. In this overview we will discuss only the part of the data set that is of most interest ot infrared astromers ...
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At its 1986 apparition, Halley’s Comet became by far the most studied comet in history with five space probes encountering it and a multitude of ground based telescopes observations carried out by both amature and professional astronomers. In this overview we will discuss only the part of the data set that is of most interest ot infrared astromers ...
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Annals of Internal Medicine, 1987
Excerpt Hu Chin prepared the fourth moxa. First he finely powdered the leaves of mugwort. After slightly moistening the powder he shaped carefully a cone of the mixture upon the back of the sick ch...
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Excerpt Hu Chin prepared the fourth moxa. First he finely powdered the leaves of mugwort. After slightly moistening the powder he shaped carefully a cone of the mixture upon the back of the sick ch...
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P/Halley: The Quintessential Comet
Science, 1985Halley's comet is the focus of an international scientific enterprise now under way. Ground-based astronomical observations are already yielding new information about the comet's nucleus and atmosphere. In the coming year, remote and in situ investigations from the ground, Earth orbit, Venus orbit, interplanetary space, and within the comet itself are ...
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The Giotto mission to Halley’s Comet
Advances in Space Research, 1982Halley’s Comet is the only one among 750 different recorded comets which has both a well-known orbit and high gas and dust production rates. The encounter with Halley could take place in March 1986 when it was still close to the Sun (0.89 AU) and therefore highly active and also observable from the Earth which is important for correlating in-situ ...
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