Mark Hedges

General Relativity, proposed by Albert Einstein in 1915, revolutionized our understanding of gravity. It describes gravity not as a force in the traditional sense, as in Newtonian physics, but as a curvature of spacetime caused by mass and energy. This groundbreaking theory was not only a significant departure from previous models of gravity but also the foundation for modern cosmology and astrophysics.

At the core of General Relativity is the concept that massive objects like planets, stars, and galaxies bend the fabric of spacetime around them. This curvature influences the movement of objects within it, including light, which explains phenomena such as gravitational lensing, where light bends around massive objects. The equation that governs this curvature is Einstein’s famous field equation, which mathematically relates the geometry of spacetime to the energy and momentum of whatever matter and radiation are present.

Before Einstein’s work, gravity was understood in terms of Newton’s law of universal gravitation, which described gravitational force as an instantaneous action at a distance between two masses. While this model worked well for many practical applications, it had limitations, especially in extreme conditions such as those near very massive objects or moving at high velocities. General Relativity resolved these issues by providing a more accurate description of gravitational phenomena, particularly in scenarios involving high gravitational fields, such as near black holes or in the context of cosmology.

Aria Montgomery

Daphne Haydens LLC

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