ISRO Satellite Expansion Plans for Space Capability Growth
Source:The Hindu ↗
Why It Matters
Space commercialization, Blue Economy, and disaster management are core GS3 pillars. ISRO's rapid expansion timeline, combined with Earth Sciences targets for 2047, provides crucial data points for Mains answers on India's technological indigenization, disaster mitigation strategies, and economic diversification.
Summary
ISRO is aggressively expanding India's space footprint, aiming to triple its operational satellites from 56 within three years and achieve parity with developed space-faring nations by 2040. This expansion includes lucrative commercial launches, such as deploying a massive US-built communication satellite, and collaborative milestones like the NISAR Earth observation mission with NASA. Parallelly, the Ministry of Earth Sciences is advancing India's disaster management infrastructure with an earthquake early warning system slated for 2047, while pushing to elevate the 'Blue Economy'—increasing the ocean's GDP contribution beyond 4% through sustainable harvesting of marine resources.
Key Points
- India plans to triple its number of operational satellites from the current 56 over the next three years to meet growing domestic and global demands.
- ISRO aims to match the space capabilities of developed nations by 2040, supported by significant commercial milestones like launching a 6,500 kg US-built communication satellite.
- The upcoming NASA-ISRO Synthetic Aperture Radar (NISAR) mission highlights growing international cooperation in earth observation and space exploration.
- The Ministry of Earth Sciences is developing an earthquake early warning system targeted for deployment by 2047 to bolster disaster resilience.
- India seeks to expand its Blue Economy by increasing the ocean's contribution to GDP from the current 4%, leveraging marine resources for energy, food, and climate change mitigation.
Important Terms
NISAR Mission
A joint NASA-ISRO Earth-observation satellite featuring dual-frequency (L and S-band) Synthetic Aperture Radar. It provides high-resolution data for monitoring land/ice deformation, ecosystems, and natural disasters, marking a milestone in Indo-US space cooperation.
UPSC context
GS-3 (Science & Tech; Disaster Management); tests understanding of international space collaborations and remote sensing applications in hazard monitoring.
Blue Economy
The sustainable use of ocean resources for economic growth, improved livelihoods, and jobs while preserving marine ecosystem health. India aims to increase the ocean's GDP contribution from 4% to 8% via the 'Amrit Kaal Vision 2047'.
UPSC context
GS-3 (Economy; Environment); relevant for maritime resource management, sustainable development goals (SDG 14), and India's 2047 economic vision.
Deep Ocean Mission
An MoES flagship project focused on deep-sea exploration for resources like polymetallic nodules and marine biodiversity. It involves developing indigenous technology like the MATSYA 6000 manned submersible to support India's long-term resource security.
UPSC context
GS-3 (Science & Tech); tests knowledge of indigenous maritime technology, resource exploration, and strategic mineral security.
ISRO
India’s national space agency, currently transitioning to a commercial-oriented model. Its 2040 roadmap includes matching global space powers, constructing the 'Bhartiya Antariksha Station', and tripling its satellite fleet to meet rising domestic and global demands.
UPSC context
GS-3 (Science & Tech); key for questions on space reforms, commercialization via NSIL, and India’s global standing in space technology.
Ministry of Earth Sciences (MoES)
The nodal Indian ministry for oceanography, seismology, and atmospheric science. It leads the Deep Ocean Mission and is developing an Earthquake Early Warning System for the Himalayan region to enhance disaster resilience by 2047.
UPSC context
GS-3 (Disaster Management); tests knowledge of institutional frameworks for seismic monitoring, early warning systems, and weather prediction.
Liquid Propulsion Systems Centre (LPSC)
A specialized ISRO unit responsible for designing and developing liquid and cryogenic propulsion systems. It provides the core technology for India’s heavy-lift launch vehicles (GSLV/LVM3), crucial for deploying large communication and international collaborative satellites.
UPSC context
GS-3 (Science & Tech); relevant for technical details of India's launch vehicle program and the development of cryogenic engines.
Prelims Trap
"In the NISAR mission, ISRO developed the L-band radar and NASA developed the S-band radar."
UPSC often swaps agency contributions in joint missions to create traps. NASA provides the L-band, while ISRO provides the S-band.
Static Concepts Connected
How do seismic waves enable Earthquake Early Warning (EEW) systems?
- Primary (P) Waves: They travel fastest and are detected first by sensors; they are compressional waves that cause minimal damage.
- Secondary (S) Waves: They are slower but highly destructive shear waves; the delay between P and S waves allows a brief warning window.
- Surface Waves: They are the slowest but most damaging. Early detection of internal waves (P-waves) gives crucial seconds to prepare at the surface.
What are the unique advantages of Synthetic Aperture Radar (SAR) over optical sensors?
- All-Weather Capability: Operates in the microwave spectrum, allowing it to penetrate clouds, smoke, and fog easily.
- Day/Night Imaging: SAR is an active sensor that emits its own energy, making it independent of sunlight for 24/7 imaging.
- Surface Penetration: Longer wavelengths (like L-band) can penetrate vegetation canopies and dry soil to map bare earth and sub-surface features.
Cross-Topic Patterns
Commercial space launches and IN-SPACe
ISRO's massive commercial deployment of US-built satellites highlights NSIL's role, frequently tested alongside IN-SPACe's regulatory mandate for private sector inclusion.
Deep Ocean Mission & SDG 14
MoES pushing Blue Economy beyond 4% of GDP aligns directly with the Deep Ocean Mission (polymetallic nodules) and marine spatial planning under SDG 14.
Expect a multi-statement question interlinking NISAR's active microwave sensing capabilities with disaster management and resource mapping.
Linked PYQs · 4
Linked PYQs · 4
- 2023MainsGS3
What is the main task of India's third moon mission which could not be achieved in its earlier mission? List the countries that have achieved this task. Introduce the subsystems in the spacecraft launched and explain the role of the Virtual Launch Control Centre' at the Vikram Sarabhai Space Centre which contributed to the successful launch from Sriharikota.
- 2024MainsGS3
What is disaster resilience? How is it determined? Describe various elements of a resilience framework. Also mention the global targets of Sendai Framework for Disaster Risk Reduction (2015–2030).
- 2013MainsGS3
How important are vulnerability and risk assessment for pre-disaster management ? As an administrator, what are key areas that you would focus on in a Disaster Management System.
- 2018MainsGS1
Defining blue revolution, explain the problems and strategies for pisciculture development in India.
