Скачать или смотреть 11 GEO2 Chapter 02 The Origin and Evolution of Earth (NCERT CBSE Classes)

Class 11 GEO2 Chapter 02: The Origin and Evolution of the Earth (CBSE NCERT books) | #upsc #upscexam #upscpreparation #upscprelims #upsc2026 | This astronomical module explores the cosmogony of the universe and the solar system, detailing the Big Bang theory and the Nebular Hypothesis. It traces the Earth's evolutionary trajectory from a primordial molten mass to a differentiated planet with a core, mantle, and crust. The narrative analyzes the formation of the Moon through the 'Giant Impact' and the subsequent evolution of the atmosphere and hydrosphere through degassing and condensation. Key topics include the origin of life in the oceans. By synthesizing astrophysical data with geological evidence, the chapter elucidates the fundamental processes that created a habitable environment on Earth within the cosmic vastness.