星座早見盤
1. PlanisphereA planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the visible stars for any time and date. It is an instrument to assist in learning how to recognize stars and constellations. The astrolabe, an instrument that has its origins in the Hellenistic civilization, is a predecessor of the modern planisphere.
Read “Planisphere” on English Wikipedia
Read “星座早見盤” on Japanese Wikipedia
Read “Planisphere” on DBpedia
Read “Planisphere” on English Wikipedia
Read “星座早見盤” on Japanese Wikipedia
Read “Planisphere” on DBpedia
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