How beautiful colours created when the sunrise and sunset?
We like looking at all the beautiful colors that appear at sunrise and sunset. Why this can happen, when the sky’s blue?
Well, it all happens because of the light and because of the fact that light has a color. Believe it or not, the light around you is a combination of all the colors that exist in the world.
However, if so, why do we only see some of the colors that appears in the sky at certain times, and not all colors can appear?
To understand this, we must first know how the day turned into night.
Earth dance-dancing in outer space
Our Planet, Earth, move in space with seven other planets within easy reach. All the planet is spinning in place, but also deal circling the Sun at the same time.
When the Sun sets in where we are, this means that side of the planet where we stand are moving in the opposite direction from the Sun. When it rises, the side of the planet we move facing the Sun.
The night came when we really no longer dealing with the Sun. Daytime occurs when we have spinning, dealing with the Sun directly – so that the rays of the sun moves (very fast) directly towards us.
Even if you don’t see it with your eyes, the light coming from the Sun actually have different sizes. Scientists measure it as a “long wave”.
Each different wavelength has a colour of its own.
The earth is enveloped by the atmosphere
So, we know that the sky was bright when during the day and dark as night. And we know that the sun’s rays arrive at the Earth with a size or a “long wave” that is different.
However, how the light of the sun can be colored beautiful when we saw it at dawn and dusk.
This happens due to the presence of a blanket of air is very important that envelop the Earth; this blanket is called the atmosphere.
Earth’s atmosphere is made of objects that are very small molecules. In fact, everything is made of molecules, including you and me.
However, every molecule in the atmosphere, far smaller than a grain of sand. Molecules are so small, we can’t see it without a microscope.
How to atmospheric playing with light
When the sun’s rays reach the Earth, the rays was met with molecules that are in the Earth’s atmosphere. The molecules will start to play with the light – bouncing to and fro each other. This event is called “light scattering”.
The length of a light wave, the longer the light that came pouring in between the molecules in Earth’s atmosphere before the “fatigue” and return to outer space.
Blue light has a shorter wavelength than light red or pink. That is, the blue light can only bouncing between molecules-molecules with a shorter distance.
When the side of the planet we are dealing directly with the Sun (the daytime), it is a little layer of the atmosphere that must be passed light. Blue light is more easy to penetrate from the outside space so that gives us a view of the sky blue.
Colors of a sunrise and sunset
We already know that the Earth rotates in place (do a rotation). Remember, when the Sun sets in where we are, we are moving away from the Sun and is no longer dealing directly with the Sun.
This means that the Sun must be moving through the layer of the atmosphere that is thick to reach us.
This also happens when the sun rises, when the part of Earth where we are moving towards the Sun.
With the distance of the atmosphere that is long to be reached, the blue light become tired more quickly. Because it is not strong again, the blue light bouncing back into space.
But the light is red, orange, and yellow having a longer wavelength. This means light-this light can scatter is long and capable of moving through the atmosphere to reach us.
And this is why we can see that the colors are beautiful when the Sun dawn and dusk.
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