Einstein's theories of relativity revolutionized our understanding of the universe. The special theory of relativity, published in 1905, introduced the idea that space and time are interconnected, showing that time slows down as an object approaches the speed of light. The general theory of relativity, presented in 1915, expanded on this idea, proposing that massive objects, like stars and planets, warp spacetime itself.
These theories had profound effects on the study of gravity, space travel, and the cosmos. The bending of light around massive objects and the expansion of the universe are just a few concepts that have been confirmed through experiments and observations.