Why Do We Experience Various Season?
because since ancient times when people have had a great desire to know what caused the change of the season, what causes heat in the summer? and what the weather be cold in the winter as well? why during the day gradually became longer than at night in the spring? why the night last longer in the winter?.
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we all know that the earth revolves around the circumference of the Sun drove, but at the same time the Earth rotates on its axis, while the earth revolves around the Sun, the Earth is also rotating as top.
Please Read Sun And What Causes The Sun Emits Rays Of Light?
that's when the axis of the globe (i.e. mid-line stretching from the North Pole continues to penetrate right down to the South Pole) in a line perpendicular to the Earth's rotation around the circle of the Sun, then we do not experience such things the change of the season. the whole day if the year is the same length.
however, the axis of the globe that its location is some what skewed because there is a combination of the energy moving heavenly bodies in the universe. one horsepower is the support the layout of the Sun, other encourage month turn around, the third is the movement of Earth's rotation of the ball it is.
as a result the Earth i rotating around the Sun in a oblique, throughout the year the Earth spinning in a state leaning that why, so that the axis of the globe it always leads to the same Department, i.e, in the direction of the North Star, this means that for most of a year on the North Pole it faces tilted towards the Sun.
while the other half of the year the Earth in a state leaning of course that instead, because it is tilted, because it is tilted this, sunlight does not fall directly to highlight parts of the Earth North of the equator, sometimes just above the equatorial regions, sometimes in the South of the equator.
the different the way sunlight highlight directly or indirectly, our Earth Globe with causes a variety of seasons in different parts of the world.
Please Read Earth And From What The Earth Formed
in the northern hemisphere faces the Sun, then countries that ate located north of the equator experience the summer, while the countries that are in the South of the Equator are having winter.
when direct sunlight highlights the southern hemisphere, then there is summer in the northern hemisphere there is winter, the longest day and shortest in each year called the "Central point of the Sun in the Summer" and "the turning point of the Sun in Winter".
there are only two days in each year occur day and night equal in length in the world over, this happens when the spring and fall right in the middle between two Solstice it is.
that occurred in the fall is roughly on 23 September, while that is happening in the spring is approximately at on March 21.
Please Read How To Human Predict The Weather
