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  • EAM attends BIMSTEC Foreign Ministers’ Meet

    bimstec

    Central Idea

    • The first-ever Foreign Ministers’ meeting of the Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) commenced in Bangkok, Thailand.

    Understanding BIMSTEC

    bimstec

    • Origins and Membership: BIMSTEC, initially known as BIST-EC (Bangladesh-India-Sri Lanka-Thailand Economic Cooperation), was established in 1997 with the signing of the Bangkok Declaration.
    • Newest members: Myanmar joined in 1997, followed by Bhutan and Nepal in 2004.
    • Population and GDP: The organization comprises seven member countries located around the Bay of Bengal, representing approximately 22% of the world’s population. The combined GDP of the member states is close to $2.7 trillion.
    • Sectoral Focus: BIMSTEC’s cooperation initially focused on six sectors: trade, technology, energy, transport, tourism, and fisheries.
    • India’s role: India’s sectoral responsibilities within BIMSTEC include security, counter-terrorism, transnational crime, disaster management, and energy.

    Significance of BIMSTEC as a Regional Forum

    (A) Revitalization and Engagement:

    • BIMSTEC received limited attention until India reinvigorated its engagement in October 2016, following the terrorist attack in Uri.
    • India hosted an outreach summit with BIMSTEC leaders alongside the BRICS summit in Goa.

    (B) Regional aspirations

    Each BIMSTEC member has strategic incentives for the organization’s growth.

    1. Bangladesh seeks regional significance
    2. Sri Lanka aims to connect with Southeast Asia and become a hub for the Indo-Pacific region
    3. Nepal and Bhutan aim to access the Bay of Bengal region
    4. Myanmar and Thailand aim to balance China’s influence in Southeast Asia by strengthening ties with India

    India and BIMSTEC

    • BIMSTEC offers India a platform to prioritize its foreign policy goals of “Neighborhood First” and “Act East”.
    • This is longer run seeks to connect South and Southeast Asia, as well as the Himalayas and the Bay of Bengal.

    China’s Role and India’s Agenda

    • Chinese Influence and Concerns: China’s expanding presence in South and Southeast Asia through the Belt and Road Initiative has increased its interest in the Bay of Bengal region.
    • Act of counterbalancing: BIMSTEC becomes an arena for India to counterbalance Chinese investments.
    • Promoting Connectivity: India can utilize BIMSTEC to promote connectivity projects aligned with international norms, countering Chinese projects that are perceived to violate these norms.
    • Bay of Bengal as a Peaceful Region: India can showcase the Bay of Bengal as a region of openness and peace, highlighting the contrast with China’s behavior in the South China Sea.
    • Regional Stability: BIMSTEC could establish codes of conduct for regional freedom of navigation and advocate for a Bay of Bengal Zone of Peace to limit extra-regional powers’ military actions.

    Conclusion

    • BIMSTEC has the potential to contribute to peace, stability, and economic development in the Bay of Bengal region and beyond.
    • Continued efforts and collaboration among member states are necessary to harness the full potential of BIMSTEC and achieve common goals.

  • What is Rho Ophiuchi Cloud Complex?

    rho

    Central Idea

    • NASA recently released an image obtained by the James Webb Space Telescope, showcasing the Rho Ophiuchi cloud complex, which is the closest star-forming region to Earth.
    • This image marked one year since NASA unveiled the telescope’s first scientific results.

    What is Rho Ophiuchi Cloud Complex?

    • The Rho Ophiuchi Cloud Complex is a molecular cloud located in the constellation Ophiuchus.
    • It is centered 1° south of the star ρ Ophiuchi and extends to other parts of the constellation.
    • At an estimated distance of about 140 parsecs, or 460 light years, it is one of the closest star-forming regions to the Solar System.
    • It consists of several dark nebulae, which are dense regions of interstellar dust and gas that block background starlight.
    • The cloud complex contains numerous young stellar objects, including protostars, young stars, and brown dwarfs.
    • These stellar objects form as the dense material in the cloud collapses under gravity, leading to the birth of new stars.

    Observations from the Image

    • Material Jets and Surrounding Gas/Dust: The image illustrates how the material jets emanating from young stars influence the surrounding gas and dust while illuminating molecular hydrogen.
    • Glowing Cave Carved by Stellar Winds: One part of the image shows a star inside a glowing cave carved out in space by its stellar winds.
    • Impressive Nebula with Bright Young Stars: The image showcases an impressive nebula with three bright young stars at the top, revealing the size and detail of the jets and outflows.

    Insights from the new findings

    • Formation of New Suns: Rho Ophiuchi image demonstrates the formation of new suns and planet-forming disks, resembling what scientists believe the early solar system looked like over 4.5 billion years ago.
    • Violent Outbursts and Dusty Cocoons: The image unveils the process of stars and planetary systems assembling, as well as the dusty cocoons being disrupted by violent outbursts, portrayed as red jets cutting through the cloud.
    • Visibility through Dust: The Rho Ophiuchi core is usually obscured by extensive amounts of dust, making it invisible to telescopes working in visible light, like the Hubble telescope. However, JSWT penetrates the dust, revealing the young stars within and providing insights into the early stages of star formation.

    Back2Basics: James Webb Space Telescope

    Collaboration NASA, European Space Agency (ESA), Canadian Space Agency
    Launch December 2021
    Location Sun-Earth L2 Lagrange point, approximately 1.5 million km beyond Earth’s orbit
    Size and Capability Largest, most powerful infrared space telescope
    Successor to Hubble Telescope
    Time Observations Can see backwards in time to just after the Big Bang
    Objectives Examine every phase of cosmic history, including the formation of galaxies, stars, and planets.

    Look back 13.5 billion years to see the first stars and galaxies forming.

    Compare early galaxies to today’s spirals to understand galaxy assembly.

    Observe star and planetary system formation.

    Study the atmospheres of extrasolar planets and search for signs of life elsewhere in the universe.

     

  • Lightning not a Natural Disaster: Centre

    light

    Central Idea

    • A senior government official stated that lightning deaths can be prevented through education and awareness, and thus, the government is against declaring it a natural disaster.

    Why discuss this?

    • State Demands: States like Bihar and West Bengal have requested that lightning-related deaths be considered natural disaster, making victims eligible for compensation from the State Disaster Response Fund (SDRF).
    • Increased fatalities: According to the National Crime Records Bureau, lightning caused 2,880 deaths in 2021, accounting for 40% of all accidental deaths from “forces of nature.”

    What is Lightning?

    Lightning is a rapid and powerful discharge of electricity in the atmosphere, often directed towards the Earth.

    • Genesis: Lightning discharges occur in giant, moisture-bearing clouds that are several kilometers tall.
    • Ice Crystal Formation: Water vapor in the clouds condenses into small ice crystals as temperatures drop below 0°C.
    • Electron Release and Collision: Collisions between ice crystals generate a release of electrons, leading to a chain reaction and the formation of a positive and negative charge within the cloud.
    • Types: Lightning can occur within clouds (inter-cloud and intra-cloud) or between the cloud and the ground (cloud-to-ground).

    Intensity of Lightning Strikes

    • Voltage and Amperage: A typical lightning flash can reach around 300 million volts and 30,000 amps, significantly higher than household current.
    • Comparisons: Household current is 120 volts and 15 amps, highlighting the immense power of lightning.

    Mitigating Lightning Incidents

    • Early Warning System: India has established an early warning system for lightning, saving numerous lives.
    • Focus on Rural Areas: Over 96% of lightning deaths occur in rural areas, necessitating mitigation and awareness programs targeted at these communities.
    • Deployment of Protection Devices: Low-cost lightning protection devices need to be deployed more widely, especially in rural areas.
    • Lightning Action Plans: States are encouraged to develop and implement lightning action plans, similar to heat action plans, to mitigate lightning-related risks.
    • International Centre for Excellence: Efforts are underway to establish an international center for excellence in lightning research to enhance detection and early warning systems.

     

  • Who was Nawab Wajid Ali Shah (1822-1887)?

    nawab

    Central Idea

    • An exhibition, heritage walk, and talk will be held in Kolkata to commemorate the bicentenary year of Nawab Wajid Ali Shah, the last king of Awadh.

    Nawab Wajid Ali Shah

    • Mirza Wajid Ali Shah (30 July 1822 – 1 September 1887) was the eleventh and final King of Awadh, reigning from 13 February 1847 to 11 February 1856.
    • He is remembered as a poet, playwright, dancer, and patron of the arts who made significant contributions during his rule.

    Reign and fall

    • Ascension to the Throne: Wajid Ali Shah became the King of Awadh in February 1847, assuming the position during a period of decline for the kingdom.
    • British Annexation: The British East India Company annexed Awadh on 11 February 1856, just two days before the ninth anniversary of Wajid Ali Shah’s coronation. He was subsequently exiled to Garden Reach in Metiabruz, near Kolkata, living on a pension.

    Patron of the Arts

    • Contributions to Music: Wajid Ali Shah was a generous patron of music and a talented composer. He nurtured the Lucknow Gharana of Kathak dance and enriched the light classical form of thumri. He composed ghazals and introduced new ragas, leaving a lasting impact on Hindustani music.
    • Kathak Dance: Wajid Ali Shah’s patronage elevated Kathak dance in Lucknow. He emphasized artistic expression, incorporating drama, emotion, and literature. The king popularized Kathak as a court dance and made it accessible to the common people.
    • Hindustani Theatre: The king established the Jogia Jashan, a grand pageant, and staged Rahas (dance-dramas) filled with poetry, lyrical compositions, and Kathak performances. His contributions laid the foundation for the development of Hindustani theatre.

    Literary Pursuits

    • Prose and Poetry: Wajid Ali Shah was a prolific writer in both Persian and Urdu. His works covered various subjects, including history, literature, and personal reflections. Notable works include “Huzn-i-Akhtar,” an autobiographical piece, and “Bani,” a treatise on music and dance.
    • Patronage of Writers: The king patronized numerous poets and writers in his court, including Mirza Ghalib. He granted pensions to renowned literary figures and encouraged the production of works that reflected the culture and life of the era.

    Exile Years and Legacy (1856-1887)

    • Exile in Metiabruz: After losing his kingdom, Wajid Ali Shah settled in Metiabruz near Kolkata. He created a miniature version of Lucknow and maintained his lavish lifestyle. Matiya Burj, a magnificent complex, served as a reminder of his beloved city.
    • Enduring Impact: Wajid Ali Shah’s compositions, including his famous thumri “Babul Mora Naihar Chhooto Jaay,” remain influential and have been performed by various artists. His contributions to music, dance, literature, and theatre continue to shape the cultural landscape, preserving his legacy.

    Conclusion

    • Mirza Wajid Ali Shah, the last King of Awadh, reigned from 1847 to 1856 before being exiled.
    • His patronage of the arts, including music, dance, theatre, and literature, left an indelible mark on the cultural heritage of Awadh.
    • Despite the challenges he faced and the loss of his kingdom, Wajid Ali Shah’s artistic endeavors and enduring legacy continue to inspire and enrich the region’s cultural identity.

  • India to buy Rafale Marine Jet from France

    rafale

    Central Idea

    • DAC Approval for Rafale: The Defence Acquisition Council (DAC) cleared proposals to procure 26 Rafale Marine fighter jets and three Scorpene submarines for the Indian Navy.

    Rafale Marine Fighter Jets

    • Naval Variant: Rafale Marine fighters are the naval version of the Rafale jets, with the Indian Air Force operating 36 of them.
    • Advanced Multirole Fighters: Manufactured by Dassault Aviation, the Rafales are advanced twin-engine, multirole fighter jets equipped with modern sensors, radar, and the latest weapon systems.
    • India-Specific Enhancements: The jets feature India-specific enhancements and have the capability to carry out various missions.
    • Differences in Marine Version: The naval variant has foldable wings, a longer airframe for carrier landings, a tail hook for arrested landing, and reinforced landing gear suitable for aircraft carriers’ conditions.
    • Expanded Weapon Capabilities: Rafale Marine jets can carry a wider range of weapons, including anti-ship and air-to-surface missiles, and have specialized radar for maritime operations.

    Current Fleet and Need for Additional Fighters

    • MiG-29Ks: The Indian Navy currently operates MiG-29Ks from INS Vikramaditya aircraft carrier, which are carrier-based multirole fighter aircraft.
    • Procurement Requirement: With some MiG-29Ks expected to retire in a decade and the Navy having two operational carriers, additional deck-based fighters were needed to meet operational requirements until the indigenous Twin Engine Deck-Based Fighter (TEDBF) is developed.
    • Criteria and Selection: Only Boeing’s F/A-18 E/F Super Hornet and Dassault Aviation’s Rafale-M met the Navy’s criteria, with Rafale-M having an advantage due to common spares and support with the Indian Air Force’s Rafale jets.

    Export and Usage of Rafale Jets

    • Importance for France: The Rafale is a key component of France’s nuclear deterrence capabilities.
    • Orders and Deliveries: France has ordered a total of 192 Rafales, with 153 already delivered by the end of 2022.
    • Future Orders: Plans for a further order of 30 fighters and additional Rafales to offset those sold to Greece and Croatia are in the pipeline.
    • Flight and Operational Hours: The aircraft has accumulated a total of 405,000 flight hours, including 63,500 operational hours flown by French pilots since 2007.

    Conclusion

    • The Rafale Marine jets, with their advanced features and expanded weapon capabilities, will strengthen the Navy’s deck-based fighter fleet.
    • This procurement decision marks another step towards bolstering India’s defense preparedness and self-reliance in defense manufacturing.

  • What are AT-1 Bonds?

    Central Idea

    • Subscription Disappointment: State Bank of India (SBI)’s additional tier-1 (AT-1) bond issue saw a very low response from investors, raising ₹3,101 crore against an issue size of ₹10,000 crore.
    • Market Sentiment Impact: The lackluster response is expected to dampen market sentiment and make fundraising more challenging for other PSU banks, potentially leading to delays in their fundraising plans.

    What are AT1 Bonds?

    • Definition: AT-1 bonds, or Additional Tier-1 bonds, are unsecured, perpetual bonds issued by banks to strengthen their core capital base in compliance with Basel-III norms.
    • Complex Hybrid Instruments: AT-1 bonds are complex instruments suited for institutions and knowledgeable investors who can analyze their terms and determine if the higher rates compensate for the higher risks involved.
    • Face Value: Each AT-1 bond typically carries a face value of ₹10 lakh.
    • Acquisition Routes: Retail investors can acquire these bonds through initial private placement offers by banks or by purchasing already-traded AT-1 bonds in the secondary market based on broker recommendations.

    Key Features and Importance of AT1 Bonds

    • Perpetual Nature: AT-1 bonds do not have a maturity date. Instead, they include call options that allow banks to redeem them after a specific period, usually five or ten years. Banks can choose to pay only interest indefinitely without redeeming the bonds.
    • Flexibility in Interest Payments: Banks issuing AT-1 bonds can skip interest payouts or even reduce the bonds’ face value if their capital ratios fall below certain thresholds specified in the offer terms.
    • Regulatory Intervention: If a bank faces financial distress, the RBI has the authority to ask the bank to cancel its outstanding AT-1 bonds without consulting the investors.

    Back2Basics: Basel Norms

    • Basel is a city in Switzerland and the headquarters of the Bureau of International Settlement (BIS).
    • The BIS fosters cooperation among central banks to achieve financial stability and common standards of banking regulations.
    • Basel guidelines are broad supervisory standards formulated by the Basel Committee on Banking Supervision (BCBS).
    • The Basel accord is a set of agreements by the BCBS that primarily focuses on risks to banks and the financial system.
    • The purpose of the Basel accord is to ensure that financial institutions maintain sufficient capital to meet obligations and absorb unexpected losses.
    • India has accepted the Basel accords for its banking system.

     

    Basel I Basel II Basel III
    Year Introduced 1988 2004 2010
    Focus Credit Risk Credit, Market, Operational Risks Capital, Leverage, Funding, Liquidity
    Capital Requirement Fixed at 8% of Risk-Weighted Assets (RWA) Minimum Capital Adequacy Requirement of 8% of Risk Assets Strengthening capital requirements
    Pillars – 1. Capital Adequacy Requirements 2. Supervisory Review 3. Market Discipline –
    Objective Define capital and risk weights for banks Encourage better risk management and disclosure Promote a more resilient banking system
    Implementation in India Adopted in 1999 Yet to be fully implemented March 2019 (postponed to March 2020 due to COVID-19)
    Key Parameters – – Capital: 12.9% capital adequacy ratio, Tier 1 and Tier 2 capital ratios, capital conservation buffer, and counter-cyclical buffer; Leverage: minimum 3% leverage rate; Funding and Liquidity: LCR and NSFR ratios

     

  • New Scorpene Class Submarines for Navy

    submarine

    Central Idea

    • Procurement Announcement: The three additional Scorpene submarines will be procured under the Buy (Indian) category. The Mazagon Dock Shipbuilders Limited (MDL) in Mumbai will build the submarines.

    Scorpene Submarines and Project-75

    • Project-75: MDL is already building six Scorpene class submarines under Project-75, with technology transfer from the French defense firm.
    • Commissioned Submarines: Five out of the six Scorpene submarines have been commissioned, with the final one expected to be commissioned early next year.
    • Delays and Challenges: Project-75 faced significant delays, as the first submarine was originally scheduled for delivery in 2012.

    Need for Additional Submarines

    • Addressing Delays and Fleet Strength: The procurement of three additional submarines is necessary to compensate for the delayed deliveries under Project-75 and strengthen India’s submarine fleet.
    • Current Fleet Status: The Indian Navy currently operates 16 conventional submarines, but it needs a minimum of 18 submarines to carry out its full spectrum of operations.
    • Refit Challenges: Around 30% of submarines are under refit at any given time, further reducing the number of operational submarines.
    • Employment Opportunities: Procuring additional submarines with higher indigenous content will create employment opportunities and enhance MDL’s submarine construction capabilities.

    Capabilities of Scorpene Submarines

    • Attack Submarines: Scorpene submarines are designed as conventional attack submarines to target and sink enemy naval vessels.
    • Weapons and Surveillance: They can launch a variety of torpedoes and missiles, equipped with surveillance and intelligence-gathering systems.
    • Specifications: Scorpene submarines are approximately 220 feet long, with a height of about 40 feet. They have a top speed of 11 knots when surfaced and 20 knots when submerged.
    • Diesel-Electric Propulsion: These submarines use diesel-electric propulsion systems, providing an endurance of around 50 days.

    Comparison with Nuclear Submarines

    • India’s Current Nuclear Submarines: India currently operates two nuclear-powered submarines (SSBMs) of the Arihant class.
    • Endurance and Speed: Nuclear submarines have theoretically unlimited endurance and can operate for up to 30 years without refuelling. They can also achieve higher speeds.
    • Cost and Expertise: Nuclear submarines are expensive and require specialized expertise to operate.
    • Advancements in Conventional Submarines: Diesel-electric technology has significantly improved the range and stealth of conventional submarines.
    • Air Independent Propulsion (AIP): Retrofitting Scorpene submarines with AIP systems will enhance their endurance and stealth capabilities.

    Conclusion

    • India’s decision to procure three additional Scorpene submarines enhances its naval capabilities and strengthens the indigenous manufacturing sector.
    • The addition of these submarines will help meet the requirements of a growing fleet and improve operational readiness.

  • Affordable treatment for Duchenne Muscular Dystrophy (DMD)  

    Central Idea

    • Researchers in India are collaborating to develop an affordable treatment for Duchenne Muscular Dystrophy (DMD), a rare and incurable genetic disorder.
    • The Indian Institute of Technology (IIT), Jodhpur, is collaborating to develop affordable therapeutics for DMD.

    What is DMD?

    • DMD is a progressive muscle degeneration disorder caused by alterations in the dystrophin protein.
    • It is the most common and fatal type of muscular dystrophy, primarily affecting boys.
    • It leads to progressive muscle degeneration, weakness, and eventually wheelchair dependency, assisted ventilation, and premature death.

    Symptoms and Impact of DMD

    • Muscle Weakness: Muscle weakness is the primary symptom of DMD, initially affecting proximal muscles and later distal limb muscles. Difficulties in jumping, running, and walking are common.
    • Other Symptoms: Enlargement of calves, a waddling gait, lumbar lordosis (inward curve of the spine), and later heart and respiratory muscle involvement. Pulmonary function impairment and respiratory failure may occur.

    Current Challenges

    • Costly treatment: Current therapeutic options for DMD are minimal and expensive, with costs reaching up to Rs 2-3 crore per child per year.
    • Limited Treatment Options: The treatments are predominantly imported, making them financially unattainable for most families.

    Efforts to Develop Affordable Therapeutics

    [A] Antisense Oligonucleotide (AON)-Based Therapeutics

    • The IIT Jodhpur researchers are working on enhancing the efficacy of AON-based therapeutics.
    • AONs can mask specific exons in a gene sequence, addressing the challenges faced in DMD patients.
    • Personalized medicine is necessary due to the variations in mutations among DMD patients.

    [B] Clinical Trials and Molecular Tags

    • The research team has received approval from the Drugs Controller General of India (DCGI) to conduct multi-centric clinical trials on AON-based exon skipping in DMD patients.
    • They are also working on reducing the therapeutic dose of AON through new molecular tags.

  • First GSI Survey of the Siachen

    siachen

    Central Idea

    • NJ 9842 vs. 5Q 131 05 084: Exploring India-Pakistan’s last demarcated point and the Siachen glacier’s assigned number by the Geological Survey of India (GSI).
    • Lack of recognition: Despite the historical importance, the first Siachen survey remains overlooked by scholars and mountaineers.

    About Siachen

    • Location: Siachen Glacier is located in the eastern Karakoram range in the Himalayas, just northeast of the point where the Line of Control between India and Pakistan ends.
    • Significance: As the second-longest glacier in the world’s non-polar areas, Siachen Glacier stretches for 76 km, holding historical and strategic importance.

    Geographical and Political Context

    • Border dispute: Both India and Pakistan claim sovereignty over the entire Siachen region, leading to intermittent conflict since 1984.
    • Military presence: The region houses the highest battleground on Earth, with permanent military outposts at altitudes above 6,000 m (20,000 ft).
    • International recognition: Efforts to establish a transboundary peace park and nominate the region for the World Heritage List have been made.

    Why discuss Siachen?

    • Human casualties: Harsh weather conditions have claimed more lives than combat, with both India and Pakistan sustaining significant losses.
    • Failed demilitarization attempts: Despite the desire to disengage from the costly military outposts, the lack of official recognition of the current line of control has hindered progress.
    • Mountaineering expeditions and awareness: Limited expeditions have been allowed to showcase the dominance of Indian troops and raise awareness about the region.

    The First Siachen Survey

    • V.K. Raina’s leadership: In June 1958, V.K. Raina, an Indian geologist, conducted the inaugural Siachen survey.
    • Unforeseen conflict: The peaceful region surveyed in 1958 became a disputed area between India and Pakistan, leading to Operation Meghdoot in 1984.

    Geologists’ Himalayan Exploration

    • Previous expeditions: Raina’s involvement in the Saser Kangri expedition and the geological survey of the Leh-Manali Highway.
    • International Geophysical Year: The significance of 1958 as a year of geological studies worldwide.
    • GSI’s limited resources: GSI’s plan to study the Himalayan glacier systems, assigning Raina the responsibility of surveying five glaciers in Ladakh.

    Raina’s Journey and Findings

    • Expedition details: Raina’s team’s journey from Calcutta to Siachen, traveling by train, bus, and foot.
    • Glacier characteristics: Raina’s observations of the Siachen glacier, including the appearance of ice caves and the Nubra River’s flow.
    • Survey procedures: Mapping the snout region, establishing reference points, and capturing photographs for future analysis.

    Pakistan’s Response

    • No objections raised: Despite the expedition’s significance and publicity, Pakistan did not lodge any protests or objections against India’s presence on the glacier during the survey.
    • Reasons for indifference: The lack of objections can be attributed to the mutual demarcation under the Karachi ceasefire agreement and the absence of perceived threats or intentions of occupation.

    Challenging Pakistan’s Claims

    • Significance of the expedition: The 1958 GSI survey holds immense historical and geostrategic importance as it contradicts Pakistan’s early claims to the Siachen glacier.
    • Pakistan’s delayed claim: It was only 25 years later, in 1983, that Pakistan formally extended the Line of Control, staking its claim to the region, violating the Simla Agreement.
    • India’s response: India pre-empted Pakistan’s actions by occupying the strategic Saltoro Heights in April 1984, in response to Pakistan’s attempts to claim the Siachen glacier.

    Conclusion

    • Debunking myths: The survey establishes India’s early presence on the glacier and counters Pakistan’s claims.
    • Understanding the geostrategic implications: The survey’s role in shaping subsequent events in the Siachen conflict is vital to comprehend the significance of this expedition.

  • Counting down: Launch of Chandrayaan-3 Mission

    chandrayaan

    Central Idea

    • The Indian Space Research Organisation (ISRO) is set to launch the Chandrayaan 3 mission on July 14 from the Satish Dhawan Space Centre, Sriharikota.
    • This mission follows the Chandrayaan 2, which encountered technical issues and crash-landed on the moon in September 2019.

    Chandrayaan-3: Mission Details and Landing

    • Launch Vehicle: Chandrayaan 3 will be launched aboard the Geosynchronous Satellite Launch Vehicle Mark III (GSLV Mk III) rocket.
    • Landing Site: The spacecraft is expected to land near the moon’s South Pole.
    • Operational Duration: Chandrayaan 3 will operate on the lunar surface for one lunar day, equivalent to 14 Earth days.

    Significance of the Lunar South Pole

    • Scientific Interest: The lunar South Pole is a compelling location due to the presence of towering massifs and permanently shadowed craters that may contain volatile compounds and water-ice deposits.
    • Planetary Formation Insights: Studying the South Pole-Aitken Basin’s age and impact melt could provide insights into planetary formation.
    • Valuable Resource: Volatile deposits at the South Pole could serve as a valuable resource for future exploration and astrobiology investigations.
    • Solar Power Potential: Some mountain peaks near the pole receive extended periods of sunlight, making them potential sites for continuous solar power supply.
    • Fossil Record: Craters at the South Pole may contain a fossil record of the early Solar System, providing valuable scientific data.

    Choosing the South Pole over the North Pole

    • Permanent Darkness: The larger shadowy region at the lunar South Pole, which remains in permanent darkness, makes it suitable for studying unilluminated areas.
    • Aitken Basin Edge: The South Pole is located at the edge of the Aitken Basin, the largest impact basin in the Solar System.
    • Lunar Reconnaissance Orbiter: NASA’s Lunar Reconnaissance Orbiter collects data over the South Pole region, enhancing the scientific understanding of the area.
    • Longer Lunar Day-Night Cycle: The Moon’s longer rotation cycle (around 30 days) results in extended periods of day and night, making the South Pole more accessible.

    Trajectory and Landing Procedure

    • Similar to Chandrayaan 2: Chandrayaan 3 will follow a trajectory similar to Chandrayaan 2, utilizing a propulsion module to orbit Earth before heading to the moon.
    • Lunar Orbit and Landing: Once within the moon’s gravitational pull, the module will lower itself to a 100 x 100 km circular orbit. The lander will then detach and descend to the lunar surface.

    Scientific Payloads

    • The Lander: The lander, named ‘Vikram,’ will deploy four scientific payloads to study the moon’s surface temperature and subterranean characteristics.
    • The Rover: The rover, named ‘Pragyan,’ will conduct chemical and visual tests as it roves around the lunar surface.

    Objectives of Chandrayaan 3

    • Safe Landing Demonstration: Chandrayaan 3 aims to demonstrate safe and soft landing on the lunar surface.
    • Rover Roving Capability: The mission will showcase the capability of the rover to traverse the lunar surface.
    • In-situ Scientific Experiments: Chandrayaan 3 will conduct in-situ scientific experiments on the moon.

    Development and Delay

    • Development Phase: The development phase for Chandrayaan 3 began in January 2020, with scientists and engineers working on the spacecraft’s design and assembly.
    • Manufacturing Delays: The COVID-19 pandemic caused delays in the manufacturing and testing of the propulsion systems.
    • Launch Schedule: The launch, initially planned for early 2021, was postponed due to the pandemic. The spacecraft is now set to launch in July 2023.

    Importance of Chandrayaan 3

    • India’s Third Lunar Mission: Chandrayaan 3 is India’s third lunar mission and the second attempt at a soft landing on the moon.
    • Renewed Interest in Lunar Exploration: In recent years, there has been a renewed interest in exploring the moon following Chandrayaan-1’s discovery of water on the lunar surface.

    Conclusion

    • Chandrayaan 3 represents India’s continuous efforts to explore the moon and achieve a soft landing.
    • The mission’s success will contribute to scientific advancements and further our understanding of the lunar surface.
    • As space agencies around the world plan future lunar missions, humanity’s return to the moon seems imminent after more than five decades.