Solar System Origin: Nebular, Planetesimal & Accretion Models Explained | UPSC 2027 | Lecture -2

Learn the Origin of the Solar System through the Nebular Hypothesis, Planetesimal Hypothesis, and Accretion Model. A complete UPSC Geography 2027 Lecture with concepts, diagrams, and exam-oriented analysis. 🚀 n this lecture, we explore the Origin of the Solar System, one of the most important topics in Physical Geography for UPSC CSE Prelims & Mains. We will discuss the major theories of solar system formation, including the Nebular Hypothesis, Chamberlin–Moulton Planetesimal Hypothesis, and the Modern Accretion Model, along with their merits, limitations, and UPSC relevance. 📚 Topics Covered: ✅ Origin of the Solar System ✅ Nebular Hypothesis (Kant & Laplace) ✅ Chamberlin–Moulton Planetesimal Hypothesis ✅ Modern Accretion Theory ✅ Formation of the Sun and Planets ✅ Comparison of Solar System Formation Theories ✅ UPSC Prelims & Mains Perspective ✅ Previous Year Questions (PYQ) Analysis 🎯 Useful For: UPSC CSE 2027 & 2028 State PCS Examinations Geography Optional NCERT Geography Preparation CUET & Other Competitive Exams 📖 Geography Foundation Course 2027 Playlist: 🔗   • UPSC Geography Foundation Course 2027 | Ph...   📌 Subscribe for Complete UPSC Geography Coverage ✔ Physical Geography ✔ Indian Geography ✔ Human Geography ✔ Economic Geography ✔ Environment & Ecology ✔ Mapping for UPSC ✔ Prelims + Mains Preparation 👍 Like | Share | Comment | Subscribe #UPSC2027 #Geography #PhysicalGeography #SolarSystem #NebularHypothesis #PlanetesimalHypothesis #AccretionTheory #UPSCGeography #UPSCPreparation #GeographyOptional #UPSCPrelims #UPSCMains #CivilServices #UPSCCSE #GeographyLecture #UPSCFoundationBatch #YouthAcademy