My dear Students,

Good Day!

If I ask you what is the most happening thing today in Indian Science probably you and the whole of our Nation will shout in unity that it is the Chandrayaan-3 Mission. The credit for this huge achievement goes to the Indian Space Research Organization (ISRO). Yes, all of us are absolutely correct in saying so. There is no doubt that the Chandrayaan-3 mission is a stepping stone towards ISRO’s future interplanetary missions.

It is meant to do Global Science with Indigenous Research and Development effort of ISRO. That is what brings in self-confidence. The same is true in Research and Education that Vcent education. No matter how much a student is taught at the end it is his or her skillsets that matter in terms of both understanding, examination and application development.

Similar is the situation in the Chandrayaan-3 Mission. It involves precise Physics, Chemistry of Materials, materials Science, Materials Engineering, Atmospheric Science, Control Electronics, Solar Modules and Panels, Ultra-precise computation and what not. What’s more special and to be proud of is that these are all indigenously achieved by our Indian Scientists and Engineers, who at the beginning of their carriers were school students like you.

But that obviously brings in an interesting question that what is the Chandrayaan-3 Mission and what makes it so special. Well, the facts are here.

The Chandrayaan-3 is the third Indian Space Research exploration mission under the umbrella Chandrayaan programme. Not only that, it is also the most recent lunar Indian Space Research exploration mission under the Chandrayaan programme. But what makes it so special. It has a lander, Vikram. It also possesses a rover,  Pragyan. These are similar to those present in the earlier Chandrayaan-2 Mission except that they do not have an orbiter.

Further speciality is that its propulsion module behaves like a communication relay satellite. The propulsion module will carry the lander and rover configuration. For how long will it carry them? Well, it will carry them until the spacecraft is in a 100 km lunar orbit.

Before we go further, we need to know what leads to the need for this particular mission. It is interesting to note that in the earlier mission of Chandrayaan-2, a last-minute glitch in the landing guidance software had occurred. It led to the lander crashing after entering lunar orbit. This is what leads to the genesis of the Chandrayaan-3 Mission by the ISRO.

Thus, the history was written anew when India launched Chandrayaan-3. The successful launch of the Chandrayaan-3 mission took place from SHAR on at 2:35 pm IST. The date was 14 July 2023, IST. Following the launch, in Phase I of the journey, the lunar injection of 100 km circular polar orbit was completed successfully as part of phase one. As per the ISRO notifications, the lander and rover are expected to land near the lunar south-pole region on 23 August 2023.

ISRO has set three main objectives for the Chandrayaan-3 mission. The first one is that it must make the lander land safely and softly on the surface of the Moon. The second objective is to check out the observing and loitering capabilities of the Rover on the surface of the Moon. The third and possibly the most vital objective is of course the on-site observation and further the conduction experiments on the materials available on the lunar surface. It is believed that it will be helpful to better understand composition of the Moon. Finally, it must be mentioned that if successful India will be the first country in the entire world to make a Lunar Mission to land near the south-pole of the moon.



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May 2024