In the southern hemisphere, the shortest solar term in a year is _ _ _ _ _. At this time, at noon, the height of the sun in the hemisphere of _ _ _ _ reaches the maximum in a year. The sun shines dire

In the southern hemisphere, the shortest solar term in a year is _ _ _ _ _. At this time, at noon, the height of the sun in the hemisphere of _ _ _ _ reaches the maximum in a year. The sun shines directly. The shortest solar term in the southern hemisphere is the summer solstice in the northern hemisphere. At this time, the height of the noon sun in the northern hemisphere reaches the maximum in a year. The northernmost boundary of direct sunlight is the Tropic of Cancer, which is the dividing line between the tropics and the north temperate zone. The dividing line between the northern frigid zone and the northern temperate zone is the Arctic Circle, which is 66.5 degrees north latitude.

So, the answer is: summer solstice in the northern hemisphere; North; Tropic of Cancer; Heat; North temperature; Arctic circle.