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India space chief: Moon mission only the beginning

Murali Krishnan in New Delhi
August 25, 2023

In an exclusive interview, the head of India's ISRO space agency, S. Somanath, told DW that the success of the Chandrayaan-3 mission is a major boost to India's space ambitions, and more exploration is planned.

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 ISRO chairman S. Somanath
S. Somanath said that next up for the ISRO is a mission to study the sun Image: ISRO

On Wednesday, India landed its lunar rover on the moon's south pole in a momentous accomplishment for the Indian Space Research Organisation (ISRO). With the successful landing, India became the first country to put a spacecraft on the moon's south pole.

But, for ISRO chairman S. Somanath, a new, critical phase of the Chandrayaan-3 mission is just beginning.

The six-wheeled, solar-powered "Pragyan" rover will explore the largely uncharted south pole region of the moon and transmit images and scientific data over two weeks.

The rover will also carry out spectrometer analysis of the mineral and chemical composition of the moon's surface, returning valuable data on the properties of lunar soil and rocks. Somanath is keeping a close watch and is concentrated on collecting data.

"The lander and rover are perfectly healthy, and so far, everything is working very well. There will be further movements, and we are monitoring it. It will determine the elemental composition of lunar soil and rocks around the lunar landing site," Somanath told DW.

He added that the mission also aims to confirm the presence of ice in the region could "supply oxygen, fuel, and drinking water for future space exploration."

Relief and excitement in India at moon landing

Mission boosts India's space ambitions

With a shoestring budget of about $74.58 million (€69 million), the Chandrayaan mission puts India alongside the US, Russia and China in a small group of spacefaring nations to pull off a controlled landing on the moon. The landing comes just days after Russia's Luna-25, destined for the same region, crashed on the lunar surface.

The ISRO chief believes Chandrayaan's success will inspire India's space industry to push its boundaries of innovation. He dedicated the historic feat to India's entire scientific community.

"Missions like this will enhance India's capability to undertake complicated projects," said Somanath.

"We at ISRO will launch the Aditya-L1 mission in the first week of September, which is dedicated to studying the Sun," he added.

The Aditya-L1 satellite, named after the sanskrit for sun, will be transported into space by the Indian Polar Satellite Launch Vehicle. Its primary objectives cover the study of dynamics in the upper solar atmosphere, including the chromosphere and corona.

"A mission to Venus is on the agenda, but those details are being worked out and will take some time to happen. We went through a lot of pain and hard work for this lunar mission, and we will succeed in the future," Somanath added.

India's Moon Mission: An Exclusive Insight with DW's Delhi Bureau Chief in India Amrita Cheema.

The success of the Chandrayaan-3 mission is also expected to bolster private Indian space companies and increase their share of the global launch market within the next decade.

"It is already happening and will receive a further boost. We can capitalize on our reputation for cost-competitive engineering," said the ISRO chief.

"Already, it has spurred investment in private space launches and related satellite-based businesses."

According to a report by management consulting firm Arthur D. Little, India could have a $40 billion space industry by 2040.

The report estimates India's current space market is worth around $8 billion and has grown at about 4% annually in the last few years, compared to 2% globally.

India's moonshot years in the making

The planned operational span of the lander and rover is one lunar day, equivalent to approximately 14 earth days.

Chandrayaan-3 is India's third lunar exploration mission. The 384,000-kilometer journey was launched on July 14 from the Satish Dhawan Space Centre in Sriharikota on India's southeast coast. Chandrayaan-3 orbited Earth several times to gain speed before embarking on its month-long lunar trajectory.

The moon seen close up from Chandrayaan-3
Chandrayaan-3 captured this image days before landing on the moon Image: ISRO/Handout/REUTERS

The successful landing comes nearly four years after Chandrayaan-3's predecessor, Chandrayaan-2, crashed while attempting to land on the moon's south pole in September 2019.

The incident was a blow to India's ambitions to become a space power. However, Somanath said the failure strengthened the ISRO's resolve.

"Nobody needs reminding that the final moments before a craft's landing will be the riskiest. We learned a lot from failure and corrected it," he said.

"We spent years analyzing each contingency and rectifying the errors of Chandrayaan-2, strengthening the hardware and software of the craft, and preparing for worst-case scenarios," he added.

"We saw to it that the braking commands had to be far more detailed to ensure that the autonomous landing was performed in a controlled manner and velocity," he said.

In addition, Somanath pointed out that command stations ensured "continuous, uninterrupted contact" with the "Vikram" lander module to track the descent's progress and make any corrections if required.

"What is crucial is that we were also able to have many experiments that helped us to perfect the process of landing. Today, these efforts have paid dividends," added Somanath.

The ISRO chief made it a point to mention that it was a team effort that went into the mission's success and thanked the project director, mission operations executive, and other team members.

"There are a lot of women engineers and scientists who worked directly on the mission, and this is a tribute to all of them," he said.

Edited by: Wesley Rahn 

Murali Krishnan
Murali Krishnan Journalist based in New Delhi, focusing on Indian politics, society and business@mkrish11