Summer solstice geography knowledge

1, the direct point of the sun is located in the Tropic of Cancer.

The northern hemisphere has the longest day and the shortest night, but the southern hemisphere is just the opposite.

3. The noon sun is the highest in the north of the Tropic of Cancer and the lowest in all parts of the southern hemisphere.

4. Extreme day appears in the Arctic Circle and extreme night appears in the Antarctic Circle.

The revolution speed of the earth is close to the slowest.

6. After this day, the days in the northern hemisphere began to get shorter and the nights began to get longer.

Summer solstice is one of the 24 solar terms. Every year on June 2 1 or 22 of Gregorian calendar, the sun moves to 90 degrees of the yellow meridian, which is the summer solstice. At this time, the position of the sun directly on the ground reaches the northernmost point of the year, almost directly on the Tropic of Cancer, and the sunshine time in the northern hemisphere is the longest. After the summer solstice, Yin Qi began to grow and Yang Qi began to decline. "However, the summer solstice is not hot." "The summer solstice is already three years old." Although the summer solstice indicates that the hot summer has arrived, it is not the hottest time. After the summer solstice, the temperature will continue to rise for some time, about twenty or thirty days, which will be the hottest weather in the whole year.