きゅうめんてんもんがく
球面天文学
1. spherical astronomy
2. Spherical astronomySpherical astronomy or positional astronomy is the branch of astronomy that is used to determine the location of objects on the celestial sphere, as seen at a particular date, time, and location on the Earth. It relies on the mathematical methods of spherical geometry and the measurements of astrometry. This is the oldest branch of astronomy and dates back to antiquity.
Read “Spherical astronomy” on English Wikipedia
Read “球面天文学” on Japanese Wikipedia
Read “Spherical astronomy” on DBpedia
Read “Spherical astronomy” on English Wikipedia
Read “球面天文学” on Japanese Wikipedia
Read “Spherical astronomy” on DBpedia
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