Astrophysics: General Relativity

General Relativity

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    Space: Dimensions

    Introduction - Hidden Dimensions We take it pretty much for granted that space has 3 dimensions to it, but the idea that space has a limited number of dimensions may not be an old one at all. In all...

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  • Introduction The introduction of special relativity in 1905 was one of the first steps taken in blending abstr...
  • Introduction In ordinary geometry, points are labeled by their coordinates P1 = (x1,y1,z1,...) and P2 = (x2,y2...
  • Introduction The development of any mathematical theory of natural phenomena such as gravity requires that the...
  • Introduction One "remarkable" feature of spacetime is that by using the interval ds, you can mark off regions ...
  • Introduction The development of the spacetime idea actually arose from the necessity of creating a self-consis...
  • Introduction The words "space", "empty space","vacuum","void" and "nothingness" sound vaguely similar to us, a...
  • Introduction - Descartes Only three years after Kepler's death in 1630, the French philosopher and mathematici...