The concept of the fabric of spacetime is a metaphor that is often used to describe the curvature of spacetime predicted by General relativity. According to General relativity, massive objects such as planets and stars curve the fabric of spacetime, and this curvature determines the paths that other objects follow in their vicinity. The concept of the fabric of spacetime is a useful way to visualize the effects of gravity predicted by General relativity, but it should be noted that it is only a metaphor and does not represent a physical substance.\n
How does the theory of General relativity relate to the concept of the fabric of spacetime?