diff --git a/_posts/2024-04-01-eclipse-posting-eddington.md b/_posts/2024-04-01-eclipse-posting-eddington.md index c07398f..6cbd085 100644 --- a/_posts/2024-04-01-eclipse-posting-eddington.md +++ b/_posts/2024-04-01-eclipse-posting-eddington.md @@ -79,7 +79,11 @@ Under general relativity, light travels along *geodesics*—essentially “strai One such simplification is to consider only the influence one large mass \\(M\\). Photons in this scenario follow the [Schwarzschild geodesics](https://en.wikipedia.org/wiki/Schwarzschild_geodesics). -If you use the Schwarzschild solution to Einstein’s field equations to calculate the deflection (see [this video](https://www.youtube.com/watch?v=MxWATpSGEgY) for the calculation) you produce: +You can use the Schwarzschild solution to Einstein’s field equations to calculate the deflection. I don't pretend to understand general relativity well-enough to perform the deriviation myself, but you can watch the below video if you're interested: + + + +You get a deflection angle of: \\[\Delta \theta = \frac{4 GM}{bc^2}\\]