 |
| Previous Image | Next Image |
| Description: Curved Spacetime (a) This flat surface represents two dimensions in spacetime. In the absence of any matter in the spacetime, straight lines are straight in our intuitive sense (the sheet is flat). (b) In the presence of matter, spacetime curves, as shown by the curvature of the sheet when mass is laid on it. Straight lines, defined by the paths that light rays take, are no longer straight in the “usual” sense. Besides changing the path of photons, this curvature also creates gravity, which (c) pulls the two masses toward each other Picture Stats: Views: 528 Filesize: 42.21kB Height: 361 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18643 |