Einstein's Theory of Gravity Passes Toughest Test to Date
https://space.com/41077-einstein-general-relativity-survives-test.html?utm_source=notificationMassive objects, such as galaxies, warp space-time, according to Einstein's theory of general relativity.
Credit: University of Warwick
Einstein's theory of general relativity has passed its toughest-ever test with flying colors, a new study reports.
General relativity, which the great physicist proposed in 1916, holds that gravity is a consequence of space-time's inherent flexibility: Massive objects distort the cosmic fabric, creating a sort of well around which other bodies orbit. 
Like all scientific theories, general relativity makes testable predictions. One of the most important is the "equivalence principle" — the notion that all objects fall in the same way, no matter how big they are or what they're made of. [Einstein's Theory of Relativity Explained (Infographic)]