ISRO’s Chandrayaan-4 mission: Two rockets, one historic target

The Indian Space Research Organization (ISRO) is preparing for its massive Chandrayaan-4 mission. This mission is notable because ISRO plans to use two rockets to accomplish a job, and unlike any previous mission by Isro, Chandrayaan-4 aims to bring back lunar rocks and soil (regolith) Earth.

Chandrayaan-4 is scheduled to be launched around 2028, with India trying to become the fourth country to bring back samples from the moon. ISRO Chairman Somanath revealed the mission’s main objectives in a recent speech at the National Space Science Symposium, emphasizing the scientific significance of collecting and studying lunar samples.

The mission planning of Chandrayaan-4 is quite complex. It involves five different parts of the spacecraft: the propulsion module, descent module, ascent module, transfer module and reentry module. This approach, unlike previous missions, will aid in lunar exploration and bringing back samples from the moon.

For this mission, ISRO will use two different rockets to deliver the payload: the powerful PSLV LVM-3 and ISRO’s conventional PSLV. Each rocket will carry a different module of the spacecraft. The larger LVM-3 will transport the thruster, descender and ascender modules, while the smaller PSLV will transport the transfer and re-entry modules to designated orbit.

The propulsion module of the Chandrayaan-4 mission will guide the spacecraft into lunar orbit, and then the descent module will land on the lunar surface, just like the Chandrayaan-3 mission. A groundbreaking addition to India’s exploration is the ascent module, which will collect and store lunar samples before taking off again to rendezvous with the transfer module in lunar orbit.

ISRO is yet to share all the details, but everyone is excited to see how Chandrayaan-4 will unfold. With its innovative approach and cutting-edge technology, Chandrayaan-4 heralds a new era of lunar exploration for India, promising groundbreaking discoveries and scientific advancements in space exploration.

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