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23 hours ago · In physics, theories of gravitation postulate mechanisms of interaction governing the movements of bodies with mass. There have been numerous theories of gravitation since ancient times. The first extant sources discussing such theories are found in ancient Greek philosophy. This work was furthered through the Middle Ages by Indian, Islamic ...
5 days ago · 1980 – Gravity Probe A verifies gravitational redshift to approximately 0.007% using a space-born hydrogen maser. 1980 – James Bardeen explains structure in the Universe using cosmological perturbation theory. 1981 – Alan Guth proposes cosmic inflation in order to solve the flatness and horizon problems.
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4 days ago · General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics.
3 days ago · In 1915, Albert Einstein proposed general relativity, a fundamental theory in physics. It defines gravity as a geometric property of spacetime in which massive objects such as stars and planets warp the fabric of space and time, causing other objects to move in curved paths.
5 days ago · Zdenek Stuchlík, Nurzada Beissen & Sholpan Gumarova. Abstract. We outline the essential features of the adiabatic theory and demonstrate how test particle motion in general relativity may be investigated using it. The theory relies on adiabatic invariants and vector elements of the orbits.
3 days ago · According to a recent study, integrating quantum mechanics and Einstein's general relativity into a quantum gravity theory could help solve a significant cosmological mystery.
4 days ago · Shortly after, in 1911, Rutherford overturned this model via his gold foil experiment which established the existence of the nucleus by bombarding a thin gold foil with alpha particles. Atoms were thus understood to consist of both positive and negative particles, but particles nonetheless.
