Indian astronomers spot implausibly old spiral galaxy
Why in news ? Relevance Basics — what makes the discovery extraordinary How it was detected — methods & validation Why Alaknanda is a scientific puzzle ? Possible formation pathways What JWST enables — technology & capability leap ? Broader implications for galaxy-evolution theory Significance for Indian astronomy Limitations & next steps Key takeaways
What are rare-earth elements and why is everyone looking for them
Why in news ? Relevance Basics — What are rare-earth elements? Why rare-earths matter — technology & applications (evidence-based) ? Global distribution — reserves & strategic geography Why mining is not enough — the ‘midstream bottleneck’ ? Why refining is strategic ? China’s dominance — data and implications Emerging global responses India — opportunities & […]
ISRO LVM-3 — 6-tonne US Satellite Launch
Why is it in news? Relevance Core Facts & Data About LVM-3 What makes this mission significant? About the Payload — BlueBird Block-2 India’s Commercial Launch Trajectory — Evidence Broader Strategic Relevance Challenges & Next-Step Priorities
Rhino Dehorning & Poaching Decline
Why is it in News? Relevance Global Rhino Status: Core Findings of the Study Impact of Dehorning Methodology Why Dehorning Works ? Economics of Poaching Behavioural Reality of Poachers Limits of Enforcement-Only Models How Dehorning Is Done (Animal Welfare) ? India–Africa Contrast African Context Indian & Nepali Model Role of Local Communities & Rangers Conservation […]
How are we protecting astronauts from deadly space debris?
Why in News ? Relevance GS III – Science & Technology GS II – International Relations What is MMOD? A. Micrometeoroids B. Orbital Debris (Space Junk) Scale of the Problem: Global Data Orbital Debris in Low Earth Orbit (LEO: 200–2,000 km) Distribution Why Space Debris Is So Dangerous Kinetic Energy Reality Directional Risk The Kessler Syndrome: A Systemic Threat […]
ISRO Set to Launch Mobile Broadband Satellite
Why in News Relevance GS III – Science & Technology Mission at a Glance What is BlueBird Block-2? AST SpaceMobile Network: Key Facts Strategic Significance for India Space Commercialisation Heavy-Lift Credibility Digital & Developmental Implications Geopolitical & Strategic Dimensions Regulatory & Policy Context Challenges & Concerns Way Forward
DHRUV64 Indigenous Microprocessor
Why is it in News? Relevance GS III – Science & Technology What is DHRUV64? Why Microprocessors Matter Strategically What Do DHRUV64’s Specifications Mean? Capability Assessment Comparative Perspective India’s Indigenous Processor Ecosystem DHRUV64 is not standalone, but part of a broader pipeline: Processor Institution Use Case SHAKTI IIT Madras Strategic & commercial systems AJIT IIT Bombay Control […]
KAVACH Anti-Collision System
Why is it in News? Relevance What is KAVACH? What Problems Does KAVACH Address? How Does KAVACH Work? (Core Architecture) KAVACH is a real-time, fail-safe system built on continuous communication. Five Major Components Operational Features Current Implementation Status (as per Govt) Why is KAVACH Considered Strategic? Challenges & Limitations Policy & Governance Angle Conclusion KAVACH is India’s […]
Gannon’s Storm discovery
Why in News? Relevance GS Paper III – Science & Technology GS Paper III – Disaster Management Basics First: What Is a Solar Storm? What Is a Coronal Mass Ejection (CME)? What Was Unusual in the May 2024 Storm? 1. Collision of Two CMEs in Space 2. Magnetic Reconnection Inside the CME (First-Ever Direct Evidence) […]
Filaments
WHY IN NEWS ? Relevance : GS Paper III – Science & Technology GS Paper I – Physical Geography (World Geography Interface) WHAT ARE COSMIC / GALAXY FILAMENTS? STRUCTURE OF THE COSMIC WEB The large-scale universe is arranged into: HOW DO COSMIC FILAMENTS FORM? WHY ARE FILAMENTS CALLED “COSMIC HIGHWAYS”? HOW DO ASTRONOMERS DETECT FILAMENTS? […]