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Are space-time curvature 3D

  1. Jan 24, 2010 #1
    General Relativity explains that every single piece of mass alters the space-time fabric, creating a curve. But since we live on a three-dimensional universe shouldn't the curvature alter the fabric in every dimension, creating some kind of weird closed curve that might look as a bubble around the mass.
    I really cannot visualize the curvature working in 2D.
    I don't know if you understand what I mean, if not sorry I'm not very good at physics
    (excuse my ignorance).
     
  2. jcsd
  3. Jan 24, 2010 #2

    bcrowell

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    Here is some material that might help you to understand curvature in two spatial dimensions, which is the simplest kind to understand: http://www.lightandmatter.com/html_books/genrel/ch05/ch05.html#Section5.3 [Broken]

    The curvature described by general relativity isn't 2-dimensional or 3-dimensional, it's four-dimensional, because time is included as a dimension.
     
    Last edited by a moderator: May 4, 2017
  4. Jan 24, 2010 #3

    A.T.

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