« on: 07/06/2019 02:10:57 »
The Schwarzschild metric is used for more than that. It describes stars and planets too.Quote from: Richard777Can space be represented as a structure of three dimension vectors ?I agree. To put a fine point on it the dimension of a manifold (aka "space") is how many numbers i takes to uniquely define a point in a space. That doesn't mean that it takes three distances. Consider spherical coordinates. One number measures a distance from the origin while two represent angles.Length scales are associated with meters.Not always true here in the US where things are often measured in miles, etc.QuoteKerr-Newman metric....Schwarzschild metric...These metrics are associated with black holes.