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5.8 Applying these Concepts to Gravity (General Relativity)




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This article is from the Relativity and FTL Travel FAQ, by Jason W. Hinson jason@physicsguy.com with numerous contributions by others.

5.8 Applying these Concepts to Gravity (General Relativity)


Now that we have discussed manifolds and their properties along with
some of the basic concepts of tensors, let's see how all of this applies to
relativity and gravitation. First, I will go over the main ideas which lead
us from what we have discussed so far to a general relativistic theory.
After that, I want to mention a few notes on the physics and the mathematics
we will be using given the concepts we have gone over. Next, we will go back
and look again at special relativity while applying a bit of our new
knowledge. This will show that GR is indeed general, because when applied to
space-time without the presence of gravity it will explain a special
case--special relativity. Finally, we will look quickly at a specific
application of the GR concepts to a space-time in which there is a
gravitational field. This application will focus on a particular class of
stars and black holes.

 

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