Kalam-Sat: ISRO will launch world’s lightest satellite
ISRO has claimed that it is going to launch the world’s lightest satellite in the Earth’s orbit on January 24. The name of this satellite is named Kalam-Sat Vu, which weighs only 1.2 kilograms. ISRO has told about this satellite that it will help the people running the radio service on the satellite, exchange of waves for their programs. ISRO has said that the launch of this satellite will motivate children studying in schools to become a scientist and future engineers. This satellite will be launched from Sriharikota Space Center. Sivan of ISRO chief claimed that “Kalam Satt is the world’s smallest satellite, which is being launched in the orbit of the Earth.”
Why is this satellite special?
If you talk about the advantages of this satellite, then this satellite will be used as a communication satellite for the Ham Radio Transmission (Amateur Radio Transmission). Ham Radio Transmission means the form of wireless communication that is used in non-professional activities. However, in the last year, another Indian student made the light satellite even more than 64 gm in weight. This satellite was sent to NASA on a sub-orbital flight on a four-hour mission. During the sub-orbital flight, satellites reach space but do not go into orbit the earth. Kalam-Set has been created by the start-up company named Space Education firm Space Kids India, Chennai. So far, such 9 satellites have got space in space rockets.
Why is this mission special?
Indian Space Agency is going to re-use a part of the rocket in this mission which will be used to launch the satellite. Traditionally, the survival of rockets is not used. Returning to the Earth, many of its parts fall apart. The fuel portion is also isolated. In this way, all these parts are used as space junk. At this time, many other things including earth made of metal are turning around the earth. These include unused satellites, portions of old rockets, and accidentally lost equipment of astronauts. Often, due to such things, there is a confrontation in space, which causes more junk.
The special thing about the mission:
This satellite is being launched from ISRO’s most trusted PSLV, which is 260 tonnes four-stage rocket. Generally, the first three parts return to Earth. At the same time, the fourth and fifth (the last) part uses the liquid propellant. These parts can be started several times by shutting down so that the spacecraft can reach the correct orbit. In this case, the fourth part of this rocket can be used for the satellite being released on Thursday, which will take it to a height of 277 kilometers. But ISRO is giving new capacities to the last part of this rocket so that it can stay active in space for another 10 years. ISRO Chief Sivan says, “After all, why should we lose such valuable resources? We have decided to convert its fourth part into an experimental orbital platform, so that small experiments can be done in space.” A PSLV rocket costs around Rs 196 crores. These experimental orbital platforms will help researchers to experiment in an environment like zero-gravity.
In this case, the last part of this rocket will reach the highest level in the orbit of the earth from which Kalam-sat will send its signals. Sivan says, “This is the first time when ISRO is using such an experiment that will be reclaimed by a portion of a deadly rocket and kept alive.” From this new point of view, researchers can take classes with their payloads and equipment, after which they can be placed in a special place made in dead rockets. However, ISRO is not the first such agency to re-use unnecessary things. Jean-Wes-Legal, president of the French Space Agency, says that his organization also worked in this direction but “there was no economical way to experiment in space.”
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