season season (Seasons) caused by its orbit around the sun by the earth axis tilt of the world 23.5 °in the summer world tilted toward north pole, the sun has become a northern and southern hemisphere summer winter has become a world six months later, their orbits to orbits on the other side of the South pole at an angle toward the sun (axis tilt of the world 23.5 °fixed throughout the year) to become a Southern Hemisphere summer, and has become a northern winter as shown in Figure 1
the image of the world's axis 1 Ajarn °as its orbit around the sun
Day 20 - 21 June, it is a day of pollen Mayan (Summer Solstice) world facing North toward the sun, we see the sun, Maicon to the north (Dec 23.5 ° ). slow down speed up the sun day time longer than a summer night northern
Day 22 - 23 September, allowing a day ศาร BIS an ophthalmologist (Autumnal Equinox) the sun rose in the east and the West fit day and night as long as northern autumndeciduous trees and leave
on 20 - 21 December is the day against Mao (Winter Solstice) world facing south toward the sun, we see the sun is rather testily, South (Dec-23.5 ° ), a northern winter slow down speed up the sun day-time shorter than the night, it has been less energy from the sun's most trees in the district Latitude high energy because it leaves out the sun light is not enough for the synthetic
Day 20 - March 21 (Vernal Equinox) the sun rose in the east and the West fit day and night as long as the spring, Northern world because it is more energy from the sun when compared to the winter
figure 2 spring summer autumn winter
source: You don' T even know Ministries
The difference of day and night time influence the leaves in Spring, and the Latin จูดสูงๆ such as the continents of Europe and North America, but in the low Latitude near the equator will have no effect.The surface energy is very much from the sun throughout the year so that the trees are deciduous
figure 3 monsoon wind Thailand
If you have surface condition of one of the world's too low (a complete circular), all areas of the world will have 4 seasons as mentioned above, however, the surface condition is different, such as the mountain plains ocean seaThailand is located on the Indian Peninsula Indochina flanked by the Indian Ocean and South China Sea in influence of monsoon (Monsoon) to Thailand, there are 3 seasons as follows:
◾ summer: from March to May, rainy season
◾: from mid-May to end of October
◾ winter: since the end of October to February,
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