Read the Schematic Diagram of the Earth's Revolution and answer: (1) Write down the solar terms in the northern hemisphere when the Earth revolves to positions A and B: A _ _ _ _ _, B _ _ _ _. (2) the

Read the Schematic Diagram of the Earth's Revolution and answer: (1) Write down the solar terms in the northern hemisphere when the Earth revolves to positions A and B: A _ _ _ _ _, B _ _ _ _. (2) the earth. (1) As can be seen from the figure, when the earth revolves to position A, the sun shines directly on the Tropic of Cancer, which is the summer solstice in the northern hemisphere; When the earth revolves to position B, the sun shines directly on the Tropic of Cancer, which is the winter solstice in the northern hemisphere. (2) As can be seen from the picture, when the earth revolves to position A, the sun rays directly hit the Tropic of Cancer. There are polar days in the Arctic Circle. This day is around June 22nd. (3) The revolution direction of the earth is from west to east, just like the rotation direction. (4) Seen from the figure, the earth axis is inclined, making an angle of 66.5 with the orbital plane, and always pointing to the vicinity of Polaris.

So the answer is:

(1) Summer solstice; Solstice of winter;

(2) Tropic of Cancer; Extreme day; 6; 22;

(3)

(4) inclined; Near Polaris.