地球赤道與其公轉軌道交角是四季更迭的原因。春季太陽直射點從南回歸線逐漸

地球赤道與其公轉軌道交角是四季更迭的原因。春季太陽直射點從南回歸線逐漸北移，春分之後越過赤道，太陽直射北半球。在春季，地球與太陽的距離由近漸遠。每年的1月3日左右地球距離太陽最近。

結果 (英文) 1:

Earth's equator and its orbit intersection angle is the cause of the change of seasons. Spring sun direct point gradually moved northward from the Tropic of Capricorn, crossed the equator after the vernal equinox, direct sunlight in the Northern Hemisphere. In the spring, from the Earth and the Sun from near and further away. Every year around January 3rd planet from the sun recently.

結果 (英文) 2:

The intersection of the Earth's equator and its orbit is the cause of the change of seasons. The direct solar point of the spring is gradually moving northward from the southern regression line, and after the spring the sun crosses the equator and the sun shoots directly into the northern hemisphere. In spring, the distance between the earth and the sun is far away. The Earth is closest to the sun around January 3 every year.

結果 (英文) 3:

The angle between the earth's equator and its orbit is the reason for the change of seasons. In spring, the direct solar point moves northward from the Tropic of cancer. After the vernal equinox, it crosses the equator, and the sun points directly at the northern hemisphere. In spring, the distance between the earth and the sun is from near to far. The earth is closest to Taiyang around January 3 every year.