General Relativity: An Introduction for Physicists · Problem 7.5
The equivalence principle and spacetime curvature — Hobson, Efstathiou & Lasenby
Physics · gravitational-redshift-sun
Problem
Photons of frequency νE are emitted from the surface of the Sun and observed by an astronaut with fixed spatial coordinates at a large distance away. Obtain an expression for the frequency νO of the photons as measured by the astronaut. Hence estimate the observed redshift of the photon.