P/Halley: The Quintessential Comet

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Science  13 Dec 1985:
Vol. 230, Issue 4731, pp. 1229-1236
DOI: 10.1126/science.230.4731.1229


Halley'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 expected to reveal much more. The climax of the enterprise will be the penetration of an armored European spacecraft into the center of the comet in March 1986.