Quantum Explained | Quantum & Astrophysics on Instagram: ""Time is not constant, It's relative." According to Einstein’s theory of relativity, space and time are intertwined into a single fabric called spacetime, and motion through one affects motion through the other. When an object moves at speeds close to that of light, time for that object dilates—meaning it runs slower relative to a stationary observer. This phenomenon, known as time dilation, has been experimentally confirmed with fast-mov