嫩江: Nen River, a river in northeast China

公転: revolution of an astral body / 交点: intersection point / 光点: a bright or shining point / 向点: the astronomical apex of a star system, particularly the solar system / 好天: favorable or clement weather

斯うと:

行途: / 宏図: / 後図: / 狡兎: nimble rabbit / 皇都: / 荒都: / 鴻図, 洪図:

江都: Edo

公差: common difference / 巧詐: / 交差, 交叉: crossing, intersection; (genetics) crossover / 光差: / 考査: quiz, test; consideration

交差, 交叉: cross, intersect / 考査: to consider; to put to a test

光年: (astronomy) light year

光年: (astronomy) light year / 行年: one's age / 後年: years to come, the future / 荒年: a year of poor harvest / 高年: old age

光年: (astronomy) light year