The Dark Heretic Isaac Newton | Theories Of Gravity

Isaac Newton, a renowned scientist, made significant contributions to our understanding of gravity. He formulated two fundamental theories related to gravity, which revolutionized the field of physics.

Law of Universal Gravitation: Newton's first theory, known as the Law of Universal Gravitation, was published in his seminal work "Philosophiæ Naturalis Principia Mathematica" (Mathematical Principles of Natural Philosophy) in 1687. This theory states that every particle of matter attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. In simpler terms, it explains that any two objects in the universe exert a gravitational force on each other.
The equation representing this law is F = (G * m1 * m2) / r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between their centers.

Newton's Law of Universal Gravitation provided a mathematical framework to explain the motion of celestial bodies, such as planets orbiting the Sun. It also offered a unifying explanation for various phenomena, from the falling of objects on Earth to the tides caused by the gravitational interaction between the Moon and the Earth.

Newton's Theory of Gravity as an Action-at-a-Distance: Newton's second theory proposes that gravity acts as an instantaneous force, meaning the gravitational attraction between two objects occurs directly across the distance separating them, without any intermediary mechanism. According to this theory, the gravitational force propagates instantaneously throughout space.
Newton's idea of action-at-a-distance was considered revolutionary at the time. However, it didn't provide a mechanism to explain how gravity actually worked at a fundamental level. It wasn't until centuries later, with the advent of Einstein's theory of general relativity, that a different understanding of gravity emerged, where spacetime curvature plays a crucial role.

While Newton's theories of gravity were groundbreaking in their time and remain applicable in many practical situations, such as calculating the motion of celestial bodies, they were eventually superseded by Einstein's more comprehensive theory of general relativity. Einstein's theory provided a deeper understanding of gravity and its connection to the curvature of spacetime, especially in extreme conditions such as near massive objects or in the presence of strong gravitational fields. Nonetheless, Newton's contributions to the study of gravity are still highly influential and form the basis for classical mechanics.