Why is gravity visualized by putting a heavy object on a flat plane, creating the curved shape, when space is 3D?

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Wouldn’t it curve and pull objects in all directions?

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Anonymous 0 Comments

Because our brains and bodies aren’t built to perceive more than 3 spatial dimensions. So it’s difficult to demonstrate 3D space being warped in a way our bodies and brains can interpret. So instead we drop everything down by 1, and show a 3D object warping a 2D rubber sheet.

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