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trajectoryTRAJECT'ORY, n. The orbit of a comet; the path described by a comet in its motion, which Dr. Halley supposes to be elliptical. |
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trajectoryTRAJECT'ORY, n. The orbit of a comet; the path described by a comet in its motion, which Dr. Halley supposes to be elliptical. |