The Moon’s surface is rocky and covered with craters, regolith (a layer of loose dust and debris), mountains, and plains called maria, formed by ancient volcanic activity. It lacks an atmosphere, resulting in extreme temperatures and no weathering. Class 11 Physics
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An elliptical orbit is the oval-shaped path followed by a celestial body around another due to gravitational forces, as described by Kepler’s first law of planetary motion. Class 11 Physics Gravitation CBSE EXAM 2024-25
Orbital speed is the velocity a body needs to maintain a stable orbit around another body, determined by gravitational force and distance from the central object. Class 11 Physics Gravitation CBSE EXAM 2024-25
Kepler refers to Johannes Kepler, a renowned astronomer who formulated three fundamental laws of planetary motion, describing their elliptical orbits around the Sun. Class 11 Physics Gravitation CBSE EXAM 2024-25
Planets are celestial bodies orbiting stars, typically spherical in shape, with sufficient mass for gravity and a cleared orbital path. Class 11 Physics Gravitation CBSE EXAM 2024-25