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plan•i•sphere



Pronunciation: (plan'u-sfēr", plā'nu-), [key]
n.
1. a map of half or more of the celestial sphere with a device for indicating the part of a given location visible at a given time.
2. a projection or representation of the whole or a part of a sphere on a plane.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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