deletions | additions       diff --git a/layout.md b/layout.md  index 41b6b9a..321fa96 100644  --- a/layout.md  +++ b/layout.md 
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Space broadcasting.tex  figures/Kepler_spacecraft/Kepler_spacecraft.jpg  figures/Kepler_Galaxy1/Kepler_Galaxy1.jpg  figures/Drake4/Drake_Equation.jpg Derive L.tex