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Reapphil
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I have just simple Knowledge, but recently a question came To my mind.
An Entity Living in 2d Space cannot Directly Observe a sphere, but rather a Circle Changing its Size when a sphere is traversing trough the observable 2d plane.
Similar, a 4d sphere would Appear To us as 3d sphere Changing its Size when traversing trough our observable 3d Space.
What if Spacetime is a 4d sphere that we Observe as 3d Ball, but we are obviously Inside. Wouldnt it be Logical, that the Expansion of Space is just the geometrical property of this traversal?
An Entity Living in 2d Space cannot Directly Observe a sphere, but rather a Circle Changing its Size when a sphere is traversing trough the observable 2d plane.
Similar, a 4d sphere would Appear To us as 3d sphere Changing its Size when traversing trough our observable 3d Space.
What if Spacetime is a 4d sphere that we Observe as 3d Ball, but we are obviously Inside. Wouldnt it be Logical, that the Expansion of Space is just the geometrical property of this traversal?