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Critical Topics and Their Significance for the UPSC CSE Examination on September 11, 2024
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Saturn’s rings will briefly ‘disappear’ in March 2025
For Preliminary Examination: Saturn, Mars, Venus, Galaxy
For Mains Examination: GS III - Science & Technology
Context:
NASA confirmed in 2018 that Saturn will indeed lose its rings for good. In fact Saturn’s rings are constantly being pulled towards the planet because of its gravity and magnetic field
Read about:
What are Saturn's rings?
Satellites of any Planet
Key takeaways:
Few sights in the Solar System are as awe-inspiring as Saturn's rings. However, in March 2025, they will appear to "disappear" for a short period. Here’s why.
An Optical Illusion
- The rings won’t actually vanish; their "disappearance" as seen from Earth is just an optical illusion. Saturn, which is tilted at an angle of 26.73 degrees, takes around 29.4 Earth years to complete an orbit around the Sun. For about 15 years of this cycle, the planet tilts toward the Sun, and for the other half, it tilts away. Its rings, which share this tilt, seem to shift orientation when viewed from Earth.
- Every 13 to 15 years, the edge of Saturn's rings aligns perfectly with Earth. In March 2025, this alignment will occur, and from Earth, only the thin edges of the rings will be visible.
- Since the rings are incredibly thin—only tens of meters thick in most places—they will reflect very little light, effectively becoming invisible.
- This is similar to viewing the edge of a thin sheet of paper from a long distance. As Saturn continues its orbit, the rings will gradually become visible again.
This last occurred in 2009.
The Rings Won’t Last Forever
- In 2018, NASA confirmed that Saturn is gradually losing its rings. The planet’s gravity and magnetic field continuously pull the rings toward it. NASA scientist James O'Donoghue explained that this "ring rain" removes enough material to fill an Olympic-sized pool in just 30 minutes. At this rate, Saturn could lose its rings in about 300 million years—possibly even sooner.
- Data from NASA’s Cassini mission revealed that Saturn's rings consist of billions of ice and rock fragments, ranging from tiny dust particles to large mountain-sized chunks. Current theories suggest the rings formed around 100 million years ago, following the collision of two icy moons. The debris from this impact created the planet’s famous rings.
- It’s also believed that other gas giants like Jupiter, Uranus, and Neptune may have had similar rings in the past. Today, they have only faint ringlets, which are difficult to detect with telescopes. Saturn’s rings, in contrast, are immense, spanning nearly five times the diameter of Earth, with seven main divisions that each feature intricate structures
1.Consider the following statements regarding Saturn:
- Saturn takes approximately 29.4 Earth years to complete one orbit around the Sun.
- Saturn's rings are made up of a combination of ice and rock particles.
- Saturn's rings are expected to last indefinitely due to the planet's stable gravitational and magnetic fields.
- Saturn's rings span a distance that is nearly ten times the diameter of Earth.
Which of the above statements is/are correct?
(a) 1 and 2 only
(b) 1, 2, and 3 only
(c) 1, 2, and 4 only
(d) 1, 3, and 4 only
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Answer (c)
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What is natural farming?
What is the significance of natural farming?
Natural farming is an agricultural method that relies on nature's processes, minimizing external inputs like chemical fertilizers, pesticides, and intensive tillage. It focuses on maintaining and enhancing the health of the soil, environment, and ecosystem through natural processes. This farming technique was popularized by Masanobu Fukuoka, a Japanese farmer and philosopher, and is widely practiced in India today, particularly under the Zero Budget Natural Farming (ZBNF) model.
Key Principles of Natural Farming:
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No Tillage (No Plowing): Natural farming discourages the use of heavy machinery and soil disturbance, allowing the natural ecosystem in the soil to remain intact and healthy.
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No Use of Chemical Fertilizers or Pesticides: Instead of synthetic inputs, natural farming promotes the use of organic fertilizers, like compost or manure, and relies on natural pest predators for crop protection.
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Mulching: The use of plant residues and organic material as ground cover helps conserve moisture, protect soil from erosion, and suppress weeds.
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Intercropping and Crop Diversity: Multiple crops are grown together to enhance biodiversity, improve soil fertility, and reduce pest outbreaks.
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Livestock Integration: Animals are an integral part of the system, contributing manure and enhancing nutrient cycling within the farm.
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Natural Resource Use: Emphasizes using locally available resources like indigenous seeds, and promotes minimal dependence on external inputs.
The National Mission on Natural Farming (NMNF) is a government initiative in India aimed at promoting and supporting natural farming practices across the country. It is part of the larger vision of sustainable agriculture, aiming to reduce dependency on chemical fertilizers and pesticides while enhancing soil health, biodiversity, and farm resilience. The mission encourages farmers to adopt natural farming techniques, which emphasize low-cost, eco-friendly, and regenerative agricultural practices.
Key Objectives of NMNF:
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Promotion of Natural Farming: Encourage farmers to switch from conventional farming methods to natural farming practices to reduce input costs and improve crop resilience.
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Environmental Sustainability: Enhance soil fertility, conserve water, reduce pollution from chemical inputs, and increase biodiversity through eco-friendly agricultural practices.
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Farmer Welfare: Improve the livelihoods of farmers by lowering the cost of cultivation and reducing their dependence on expensive external inputs such as fertilizers and pesticides.
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Climate Resilience: Build farming systems that are more resilient to climate change and extreme weather conditions, reducing the risk to farmers.
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Soil Health Improvement: Enhance soil health by fostering practices that regenerate soil ecosystems, improve organic matter content, and increase the soil’s capacity to retain moisture and nutrients.
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Answer (E)
Which one of the following most appropriately describes the nature of Green Revolution of the late sixties of 20th century? (BPSC CCE 2015)
A.Intensive cultivation of green vegetable
B.Intensive agriculture district programme
C.High-yielding varieties programme
D.Seed-Fertilizer-Water technology
E.None of the above/More than one of the above
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The India-UAE relationship has evolved significantly over the decades, marked by shared interests in trade, energy, and geopolitical cooperation. Here’s a brief overview of the key stages in the evolution of their partnership:
Historical Ties and Early Relations
- Pre-Independence and Early Post-Independence Period: India and the Gulf region, including present-day UAE, shared historical ties through trade, culture, and the movement of people across the Arabian Sea. Indian traders were well-known in the Gulf, dealing in pearls, spices, and textiles.
- 1971 Onwards (Post UAE Formation): The formal diplomatic relationship between India and the UAE began in 1972 after the UAE was established in 1971. India quickly established diplomatic ties with the new federation. Relations were driven largely by trade and the presence of a large Indian expatriate population in the UAE.
1980s and 1990s: Strengthening Economic and Energy Relations
- Oil Imports: India, an energy-deficient country, saw the UAE as a critical supplier of crude oil, while the UAE viewed India as a key market for its energy exports.
- Indian Diaspora: The Indian expatriate community continued to grow, becoming one of the largest foreign communities in the UAE. By the 1990s, Indian workers, especially in the construction and service sectors, became an integral part of the UAE’s economy.
2000s: Strategic Partnership and Economic Growth
- Trade Growth: As India’s economy liberalized and grew rapidly, the UAE became one of its most important trading partners. By the mid-2000s, bilateral trade was worth billions of dollars, with the UAE emerging as one of India’s largest trading partners globally.
- Security Cooperation: The rise of terrorism and regional instability saw an increased focus on security cooperation. Counter-terrorism and intelligence sharing became important elements of the partnership.
2010s: Comprehensive Strategic Partnership
- Strategic Shift (Post-2014): With Prime Minister Narendra Modi’s outreach to West Asia, the India-UAE relationship entered a new phase. The UAE was one of the first Gulf countries visited by Modi, and both countries elevated their ties to a Comprehensive Strategic Partnership in 2015.
- Defence and Security Cooperation: The UAE and India signed several agreements on defense cooperation, focusing on joint training, maritime security, and counter-terrorism efforts.
- Energy and Investments: UAE’s investment in India increased, with major UAE entities like Abu Dhabi Investment Authority (ADIA) and DP World investing in infrastructure, ports, and energy projects in India. India also invested in UAE’s energy sector and received Abu Dhabi National Oil Company (ADNOC) investments in India’s strategic petroleum reserves.
- Cultural and Diplomatic Ties: India's cultural influence in the UAE remained strong, and the UAE’s leadership often recognized the contribution of Indian workers to the UAE’s development.
Recent Developments (2020s Onwards)
- COVID-19 Cooperation: The pandemic underscored the strong bilateral ties, with both nations collaborating on repatriation efforts and healthcare support. India supplied medicines and medical supplies to the UAE during the early stages of the pandemic.
- Economic and Digital Partnerships: The Comprehensive Economic Partnership Agreement (CEPA) signed in 2022 aimed to boost bilateral trade to over $100 billion by 2027. This agreement focuses on sectors like technology, artificial intelligence, and renewable energy.
- Space Cooperation: The two countries have also signed agreements on space exploration, including collaborations between India’s ISRO and the UAE Space Agency.
- Geopolitical Cooperation: Both countries have been working closely on regional security, maritime cooperation in the Indian Ocean, and countering extremism
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Answer (D)
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In the past, the Supreme Court has imposed strict boundaries on when it can reassess decisions made by High Courts regarding judicial appointments or direct them to reconsider their choices. On Friday, however, Justices Hrishikesh Roy and P K Mishra determined that the current matter warranted review.
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The collegium system, responsible for the appointment and transfer of Supreme Court and High Court judges, was established by a nine-judge Bench in the 1993 case Supreme Court Advocates-on-Record Association vs Union of India, also referred to as the Second Judges Case.
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This ruling made the recommendations of the Supreme Court collegium mandatory for the government, thereby granting the judiciary the authority to appoint and transfer judges in the higher courts. Under this system, judges select other judges, and while the government can delay appointments, it does not have the power to outright reject the collegium’s nominees.
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In 1998, the Supreme Court responded to a set of queries from then-President K R Narayanan by further clarifying the working of the collegium system, a decision known as the Third Judges Case.
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The Court ruled that the collegium for High Court appointments would consist of the Chief Justice of India (CJI) and the two most senior judges of the Supreme Court. This collegium must consult the Chief Justice and senior judges of the concerned High Court, the most senior Supreme Court judge from that High Court, and any other Supreme Court judges familiar with the functioning of that court.
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The court also outlined specific, limited grounds on which a recommendation could be contested. One reason would be the absence of “effective consultation” with the necessary individuals or bodies. Another would be if the proposed candidate lacked the necessary qualifications to become a judge, as defined by Articles 217 (for the High Court) and 124 (for the Supreme Court) of the Constitution.
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In December 2022, the High Court collegium, consisting of the Chief Justice and the two senior-most judges, recommended district judges Chirag Bhanu Singh and Arvind Malhotra for elevation to the High Court. On January 4, 2024, the Supreme Court collegium returned this recommendation to the High Court’s Chief Justice for reconsideration.
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However, on April 23, the High Court collegium nominated two other judicial officers for promotion to the High Court, prompting Singh and Malhotra to petition the Supreme Court, claiming that the High Court collegium had overlooked their seniority.
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In both the Second and Third Judges cases, the Supreme Court emphasized the significance of considering judges’ seniority when making recommendations for appointments.
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Following the guidance from the Third Judges Case, the central government and the Supreme Court formulated a Memorandum of Procedure (MOP) in 1998, outlining the process for appointing High Court judges from the initial stages.
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As part of this procedure, the Chief Justice of the High Court must consult the two most senior judges of the High Court, forming the High Court collegium. This body sends its recommendations, along with reasons, to the Chief Minister, Governor, and CJI.
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The Governor, based on the Chief Minister’s advice, forwards the proposal to the Union Law Minister, who conducts a background check before submitting all the relevant documents to the CJI, who reviews them with the Supreme Court collegium
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Answer (C)
This statement is correct. According to Article 128 of the Indian Constitution, the Chief Justice of India can request a retired judge of the Supreme Court to act as a judge of the Supreme Court with the previous consent of the President. This provision allows for flexibility in managing the court's workload and utilizing the expertise of retired judges when needed.
This statement is also correct. Both the Supreme Court and High Courts in India have the power to review their own judgments. This power is derived from Article 137 for the Supreme Court and Article 226 for High Courts, along with various precedents set by the courts themselves. The power of review allows courts to correct errors in their judgments, preventing miscarriage of justice. Given that both statements are correct, the answer is: C. Both 1 and 2 |
- At the end of August, Vietnam and the Philippines agreed to strengthen their defense ties and enhance cooperation on maritime security. This development followed a meeting between Vietnam's Defense Minister, Phan Van Giang, and his Philippine counterpart, Gilberto Teodoro, in Manila.
- The two officials signed "letters of intent" to improve maritime operations and disaster response coordination. This agreement comes in the context of heightened tensions between the Philippines and China over territorial disputes in the South China Sea.
- The South China Sea dispute centers on Beijing's claim to almost the entire region, which sees over $3 trillion in trade flow annually and is believed to hold significant oil, gas, and fish resources.
- Other countries, including Vietnam, Brunei, Malaysia, the Philippines, and Taiwan, challenge China's claims. In 2016, the Permanent Court of Arbitration ruled against China’s broad claims, though Beijing dismissed the ruling.
- Tensions have escalated between China and the Philippines over contested shoals in the South China Sea, with both nations accusing each other of deliberately ramming coast guard ships in recent confrontations, including a violent incident in June where a Filipino sailor was injured.
- These clashes have hindered efforts by both countries to restore trust and improve maritime dispute management through new communication channels.
- In this tense environment, the United States has reiterated its commitment to defending the Philippines in the South China Sea under a 1951 mutual defense treaty.
- The agreement with Vietnam is also notable for the Philippines, as China has been working to divide ASEAN.
- According to Abuza, the only viable way forward for Southeast Asian claimants is through small-scale cooperation based on shared interests, as China prefers dealing with each country individually to avoid a multilateral approach
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Answer (B)
The Senkaku Islands, located in the East China Sea, are the subject of a territorial dispute between China and Japan. Both nations claim sovereignty over the islands, which are believed to be rich in natural resources and hold strategic significance. The issue has led to heightened tensions between the two countries in recent years
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| Subject | Topic | Description |
| History | Modern Indian History | Company rule and Crown rule 1773 - 1947 |
| History | Modern Indian History | Fall of Mughals |
| History | Modern Indian History | Establishment of British rule in India |
| History | Modern Indian History | Economic Policies of the British |
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