Why the sun looks very shivering the morning and evening
Why the sun looks very shivering the morning and evening
I understand that places on the Earth's surface get hotter in summer, and in the middle of the day rather than morning or evening, because the surface of the Earth is presented 'face-on' to the Sun at those times, rather than at a slant. Simple trigonometry (or a simple drawing) shows that the same amount of radiation is spread over a smaller or larger area depending on the angle.
Analogously, I find that, in the heat of the middle of the day with the sun overhead, I get sunburnt on the top of my head (I am bald), the top of my nose, or my shoulders, far more than any part of my body which is a 'vertical surface', such as my face.
However, in the evening or the morning, when the sun is low, I don't feel experience lots of heat and sunburn on body parts which are facing the sun directly.
OR SIMPLY,
During the morning and the evenings the rays of the sun fall
slantingly, while at noon the sun is nearly over has and the
rays fall vertically. The vertical rays are hotter than the
rays of the sun fall vertically.
I understand that places on the Earth's surface get hotter in summer, and in the middle of the day rather than morning or evening, because the surface of the Earth is presented 'face-on' to the Sun at those times, rather than at a slant. Simple trigonometry (or a simple drawing) shows that the same amount of radiation is spread over a smaller or larger area depending on the angle.
Analogously, I find that, in the heat of the middle of the day with the sun overhead, I get sunburnt on the top of my head (I am bald), the top of my nose, or my shoulders, far more than any part of my body which is a 'vertical surface', such as my face.
However, in the evening or the morning, when the sun is low, I don't feel experience lots of heat and sunburn on body parts which are facing the sun directly.
OR SIMPLY,
During the morning and the evenings the rays of the sun fall
slantingly, while at noon the sun is nearly over has and the
rays fall vertically. The vertical rays are hotter than the
rays of the sun fall vertically.
