<p>Can anyone please give me an explanation on how to calculate photon's path by using the null geodesic equation? N.B. I know all of the non-zero values of Christoffel symbols. </p>

<astrophysics><cosmology><fundamental-astronomy><general-relativity><observable-universe>
Necessary steps to calculate photon's path by using null geodesic equation
Photon
# Necessary steps to calculate photon's path by using null geodesic equation

(Asked by: username_0 on 2019-02-13)

Can anyone please give me an explanation on how to calculate photon's path by using the null geodesic equation? N.B. I know all of the non-zero values of Christoffel symbols.

**Tags:** astrophysics, cosmology, fundamental-astronomy, general-relativity, observable-universe


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