太阳直射点七年级地理课件

南极圈内极夜赤道昼夜相等66°34′N23°26′N23°26′S66°34′S太阳光66°34′N23°26′N23°26′S66°34′S太阳光太阳直射赤道全球昼夜相等66°34′N23°26′N23°26′S66°34′S太阳光66°34′N23°26′N23°26′S66°34′S太阳光太阳直射南回归线北半球昼短夜长，北极圈内极夜南半球昼长夜短，66°34′N23°26′N23°26′S66°34′S太阳光太阳直射北回归线北半球昼长夜短，北极圈内极昼南半球昼短夜长，南极圈内极昼赤道昼夜相等66°34′N23°26′N23°26′S66°34′S太阳光66°34′N23°26′N23°26′S66°34′S太阳光太阳直射赤道全球昼夜相等66°34′N23°26′N23°26′S66°34′S太阳光66°34′N23°26′N23°26′S66°34′S太阳光，