CoachA constellation is a named pattern of bright stars — a hunter, a swan, a great bear — invented by sky-watchers long ago as a map and a memory aid. The stars of a constellation are not really neighbors; they only line up as seen from Earth. But the patterns are steady: your grandparents learned the very same shapes.
书籍暂未推出简体中文版——当前显示英文版。
Physics · 术语表