SOLAR SYSTEM

Detailed explanation-1: -Plate tectonics is the theory that Earth’s land masses are in constant motion. The realization that Earth’s land masses move was first proposed by Alfred Wegener, which he called continental drift. He is shown here in Greenland.

Detailed explanation-2: -Continental drift is the idea that continents passively move due to the movement of plate tectonics. Like a conveyor belt, continents ride on a plasticky layer known as the asthenosphere. We know continents move because we use GPS sensors to track their movements.

Detailed explanation-3: -The Theory of Continental Drift is defined as the movement of the Earth’s continents relative to each other, thereby appearing to drift together across the oceanic bed.

Detailed explanation-4: -According to the theory of plate tectonics, the asthenosphere is the repository for older and denser parts of the lithosphere that are dragged downward in subduction zones.

Detailed explanation-5: -The lithospheric plates “float” on the asthenosphere and move about the Earth’s surface. Some plates carry whole continents with them. The theory that describes these plates and their movement is called plate tectonics. At the mid-ocean ridges, new rock is produced by volcanism and the plates move away from each other.