Synonyms for the term "special relativity theory" are the "special theory of relativity", "special relativity", and "special relativity physics". These terms describe the same scientific theory, which was proposed by Albert Einstein in 1905 and explains the fundamental laws of physics. The theory explains how the laws of physics are the same for all observers in motion, regardless of their relative velocities. It has far-reaching implications in fields such as astronomy, cosmology, and particle physics. The terms "special relativity theory", "special theory of relativity", and "special relativity" are often used interchangeably in scientific literature and popular media.