Read the map and complete the following requirements: (1) A, B, C and D in the map respectively represent the bisection position of the earth on the orbit of revolution, where A represents the section

Read the map and complete the following requirements: (1) A, B, C and D in the map respectively represent the bisection position of the earth on the orbit of revolution, where A represents the section _ _ _ _ _. (1) The sun at position B directly points to the Tropic of Cancer, which is the summer solstice in the northern hemisphere, and the sun at position D directly points to the Tropic of Cancer, which is the winter solstice in the northern hemisphere. According to the revolution direction of the earth, A is the vernal equinox and C is the autumnal equinox.

(2) At the beginning of 65438+ 10 every year, the earth is located near the perihelion, with the fastest revolution speed; At the beginning of July every year, the earth is located near the perihelion, and its revolution speed is the slowest. When the earth moves to point D, the revolution speed is faster, which is summer in the southern hemisphere.

(3) When the earth moves to point C, the sun shines directly on the equator, and day and night are equal in the Arctic Circle.

(4) When the earth moves to point B, it is the summer solstice in the northern hemisphere, and it is summer in the northern hemisphere.

(5)C is the autumnal equinox and D is the winter solstice. When the earth revolves on the C-D section, the range of extreme solar phenomena in the Antarctic circle gradually expands; A is the vernal equinox and b is the summer solstice. During the A-B Festival, the days in all parts of China are longer than the nights, and the days are gradually increasing.

So the answer is:

(1) vernal equinox and summer solstice

(2) Summer around 65438+February 22nd.

(3) The equator is day and night long.

(4) Summer

(5) C-D-B