Saturday, August 8, 2020

"Science Behind Rain"

Why it rains? and why changes are made? till date we humans have been solving the mysteries of the Earth and the universe. And much remains to be resolved. Many of the Earth's processes are such that it looks very simple. But it is one of the most complex processes in the universe. Without whom life cannot be imagined. One of the few mysterious processes is Rain. The rain in which life exists, and many other things related to it. So, today we try to understand this strange mystery of the universe.

As we know that the rain on the earth is in the form of water. The water rises above the surface of the earth after being evaporated and after cooling it falls on the earth again as a drop of water. But how does this water reach the sky? The rays of the sun heat our earth. Due to which water particles start moving away from each other. And the water starts turning into steam. This steam is so light that it slowly starts flowing towards the sky. The temperature starts decreasing to 5.30 degrees per thousand feet. It starts to cool as the steam rises. And it takes the liquid again. When these small particles of water meet each other. So we call them clouds. These tiny particles are so light that they start flying easily in the air. They have to make millions of drops to form a crystal to fall to the ground. And to make ice crystals, they need something solid. And it serves to form the basis of crystals of fire smoke particles in the earth's forests, tiny particles of sand, Microbe, as well as micrometeorites coming from space. The most important role in getting rain is that these small particles i.e. micrometeorites come from the universe.

Approximately 2000 kilograms of micrometeorites collide with the Earth's atmosphere from the universe. Their size is so small that they have to face very little friction. As a result, these micrometeorites slowly move into small droplets. And in this case, these particles help to form water crystals. As soon as it meets the water droplets, the water becomes crystallized around this particle. And this process happens billions of times a day. Now this crystal acts as a base for other water droplets. These small crystals merge to form ice. When the weight of ice becomes more, then it starts falling towards the earth. As these ice moves towards the earth, the temperature also increases. Due to which the ice melts and starts falling as small water droplets. Which we call rain.

Most of the water on the earth comes from rain. Do you know that there are millions of water in the sky all the time? If this water falls on the earth together then it can cover the sea and the ground with an inch of water. And the same water is present in the body of every human and animal that once existed in dinosaurs and any other extinct species. A human body consists of 60% water. That is why we are also part of this rain cycle. And this water has been recycle ever since the first time water was born on earth.

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