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UPSC MainsGeneral Studies Paper IIIScience and TechnologyPractice question

ISRO Potentialities in Future Lunar Missions

The moon is the new horizon of scientific research. Discuss the potentialities of ISRO's involvement in the future lunar missions.

Discuss~250 words2 min readmedium
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How to approach

Introduce the topic by acknowledging the transition of the Moon from a mere observation object to a scientific and strategic frontier. In the first part of the body, explain why the Moon is considered the new horizon of scientific research. In the second part, discuss the potentialities and future roadmap of ISRO's lunar initiatives, concluding with a forward-looking perspective on India's role in the emerging lunar economy.

Model answer

296 words

Introduction

The Moon has transitioned from a celestial curiosity into a vital deep-space outpost and economic frontier. Driven by unique geological, astronomical, and resource-rich environments, lunar exploration has emerged as the stepping stone for sustained human presence and interplanetary exploration.

Moon as the New Horizon of Scientific Research

  • Cosmic Archive: With no atmospheric erosion or plate tectonics, the Moon's unweathered surface offers a pristine geological record of the early Solar System and Earth's planetary history.
  • In-Situ Resource Utilization (ISRU): The Lunar South Pole holds critical reserves of water-ice, which can sustain future human life-support systems and be electrolyzed into hydrogen and oxygen to produce rocket propellant.
  • Deep-Space Gateway: The Moon's low gravity and lack of atmospheric distortion make it an ideal staging ground for interplanetary voyages and an optimal radio-quiet platform for deep-space astronomy.

Potentialities of ISRO's Involvement in Future Lunar Missions

  • Advanced Lunar Science and Exploration: The approved Chandrayaan-4 mission aims to demonstrate complex lunar sample return, while the Lunar Polar Exploration (LUPEX) mission in collaboration with Japan's JAXA will investigate the permanently shadowed regions (84°–86°S) for water-ice and volatile distribution.
  • Technological Capability Leap: Future missions are driving critical domestic research and development in autonomous docking and berthing (SPADEX), cryogenic propulsion, and heavy-lift launch architectures like the Next-Generation Launch Vehicle (NGLV/Soorya), forming the foundation for India's target of a crewed lunar landing by 2040.
  • Private Sector Integration: Catalyzed by the Indian Space Policy 2023 and IN-SPACe, ISRO can anchor a commercial lunar economy by integrating domestic aerospace startups and private players into lunar lander logistics, robotics, and payload development.

Conclusion

ISRO's long-term lunar roadmap, combined with multilateral scientific frameworks such as the Artemis Accords, positions India not only as an explorer but as a pivotal leader shaping the governance and technological infrastructure of the emerging cis-lunar economy.

Key facts to remember

definition
In-Situ Resource Utilization (ISRU)

The practice of harvesting and using space resources at the site of exploration, such as processing lunar polar water-ice into breathable oxygen, drinking water, and liquid rocket fuel.

scheme
Indian Space Policy 2023

A comprehensive policy framework designed to transition ISRO toward research, deep-space exploration, and advanced R&D, while facilitating private sector commercial participation via IN-SPACe.

example
LUPEX Mission

A joint collaborative venture between ISRO and JAXA targeting the lunar South Pole (84°–86°S) to assess the quantity, quality, and extractability of water-ice reserves.

Frequently asked questions

What is the primary objective of the Chandrayaan-4 mission?

Chandrayaan-4 is designed as a multi-module lunar sample-return mission that will land on the Moon, collect surface samples, ascend, dock in lunar orbit, and safely return the material to Earth.

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