Read the Schematic Diagram of Day and Night Alternation and answer the following questions: (1) Write the solar terms in the northern hemisphere when the earth revolves to positions A and A _ _ _ _ _

Read the Schematic Diagram of Day and Night Alternation and answer the following questions: (1) Write the solar terms in the northern hemisphere when the earth revolves to positions A and A _ _ _ _ _ _ _ _ _ _ _ _ _ _ (2) According to the picture, A is the summer solstice and B is the winter solstice.

(j) When the ball rotates to the position of vernal equinox, the direct point of the sun is at the equator. Tongliao at this time is in spring, and the length of day and night is equally divided. Then it is autumn in Argentina in the southern hemisphere, and the seasons in the northern and southern hemispheres are opposite.

(3) The direction of the revolution of the ball around the sun is from west to east.

So the answer is:

(2) Summer solstice; Solstice of winter;

Equator; Spring; Divide day and night equally; Autumn;

(3)