What is a Satellite


Hello friends, welcome to our website and today we are going to talk about what a satellite is, how a satellite works, and all the information about it. You may have tried to know about them many times, what a satellite is and how it stays in the air, but do you know that whatever work you do in your daily life...

How Satellite Works | What is Satellite | Full Information

...many of these tasks depend on one or another satellite. Whether you are watching TV, checking the weather on TV, using GPS navigation on your mobile, or talking to your friends and family abroad, all these tasks depend on some satellite, and let's find out first what Satellite is.

What is a Satellite.

Understand it easily - an object that revolves around a bigger object in space is called a satellite. We also call it a "उपग्रह" in Hindi. In this context, the moon, which revolves around the Earth, is also a satellite, but it is a natural satellite or "उपग्रह," which does not move according to human beings. However, taking inspiration from this, humans have created their own satellites and left them in the Earth's orbit, which are playing a very important role for humans.

It should be noted that the satellites created by humans can be as small as a TV or as big as a truck. Their size depends on their function. Satellites have solar panels on both sides from which they continue to receive energy, i.e., electricity. In between them, there are transmitters and receivers that work to receive or send signals.

In addition, they also have some control motors through which we can control the satellite remotely. We can change their position or change the angle through these controls.

Depending on the purpose for which the satellite is made, you can find the objects in the satellite, such as if the satellite is made to take Earth's images, then it will have big cameras or if it is made for scanning, then you will find a scanner in it.

All of this depends on the functions of the satellite. In particular, we use these satellites for communication because radio and broadband cannot work in Earth's communication, so most satellites are made for communication work. Now, we will know.

How does Satellite work.

So the first question that must have come to your mind is how do satellites stay up there in the air; you must have known about what a satellite is and what it does. But the biggest question is here - how do satellites stay up there in the air and why don't they fall on Earth? So there is a very simple rule for this. Just like if something has to stay in space, it has to keep revolving around a big object at its own speed. Their speed does not allow them to be heavy above the Earth's gravitational force.

Due to this rule, all the satellites stay in the air. Satellites are divided into three categories - Low Earth Orbit (LEO) satellites, which are quite close to the Earth's orbit. Their height is between 160 to 1600 kilometers, and they revolve around the Earth at very high speeds, so they complete several rounds of the Earth in a day, and thus it takes a lot of time to scan the Earth.

Mostly, they are used for imaging and scanning. Medium Earth Orbit (MEO) satellites, which are the satellites that do not revolve at very high or slow speeds. They complete one round of the Earth in about 12 hours and they pass through a fixed time from any place. Their height is between 10,000 to 20,000 kilometers, and navigation is done through them.

Geostationary Earth Orbit (GEO) satellites are those satellites that are very far from the Earth, i.e., they are about 36,000 kilometers away. These satellites revolve around the Earth with the speed of the Earth, i.e., if a GEO satellite is right above you, it will always stay above you. These satellites are used for communication.

Now you have learned what a satellite is, what a satellite is. With this post, you must have learned a lot of information about the satellite. If we talk about our Indian Space Research Organization (ISRO), then every year new achievements are being made. You will be surprised to know that the Indian Space Research Organization (ISRO) has sent close to 100 satellites into space and how did you like this post, let us know by commenting.


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