Solar systemThe Solar System consists of the Sun, eight planets, moons, dwarf planets, asteroids, comets, and other celestial objects.The Sun is the center of the Solar System and accounts for 99.86% of its…
Earth's motionsThe Earth has two primary motions: rotation and revolution.Rotation refers to the Earth spinning on its axis.The Earth completes one rotation in approximately 24 hours, causing day and night.The axis…
Structure of the EarthThe Earth is divided into three main layers: the core, mantle, and crust.The crust is the Earth's outermost layer, comprising solid rocks and minerals.The thickness of the crust varies from 5 km…
Origin of the EarthThe Earth is a part of the Solar System, which includes the Sun, eight planets, and other celestial bodies.The Big Bang Theory explains the origin of the universe approximately 13.8 billion years ago…