Notes and Study material for Exams
Interior of the earth- composition and physical conditions Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth’s … Read more
Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side. Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more
The Revolutionary Journey of Continental Drift: Alfred Wegener’s Vision and its Impact The Earth’s surface, with its continents and oceans, appears static and unchanging. However, beneath this seemingly stable facade lies a dynamic and ever-evolving story. The concept of continental drift, the idea that Earth’s continents have moved over millions of years, was a revolutionary … Read more
Delving into the Earth’s Depths: Exploring the Different Layers Our planet Earth, a vibrant and dynamic sphere, is far more than just the surface we inhabit. Beneath our feet lies a complex and intricate structure, a layered system that has shaped our world and continues to influence our lives. Understanding the different layers of the … Read more
Unraveling the Earth’s Secrets: Body Waves and Seismic Activity The Earth, our planet, is a dynamic and ever-changing entity. Beneath the surface, a complex interplay of forces shapes the landscape, drives volcanic eruptions, and triggers devastating earthquakes. Understanding these forces requires delving into the heart of the Earth, where seismic waves, generated by earthquakes and … Read more
Earth: A Cosmic Oasis of Life and Wonder Our planet, Earth, is a vibrant and dynamic world, teeming with life and sculpted by a complex interplay of geological, atmospheric, and biological processes. It is a unique oasis in the vast expanse of space, harboring a diverse array of ecosystems and supporting an astonishing array of … Read more
The Genesis of Our World: Unraveling the Origin of Earth The Earth, our home, is a vibrant tapestry of life, landscapes, and geological wonders. But beneath its bustling surface lies a story of immense cosmic drama, a story that stretches back billions of years to the very birth of our solar system. Understanding the origin … Read more