Recent content by JimLad

Calculating distance between two points in spacetime Hi, I have spacetime surrounding a black hole described by Scharzchild metric and I want to find the distance a stationary observer would measure between two stationary points separated by dr radially. I thought I could use the...

Hello, In the process of revising for an exam I have, I am having difficulty with this question. "Consider an isotropic stellar wind of mass density rho, pressure p, temperature T and velocity v that has reached to a distance r=R_w from the centre of a star. The star has mass M* and...