deletions | additions       diff --git a/layout.md b/layout.md  index 22357d5..567a07c 100644  --- a/layout.md  +++ b/layout.md 
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fc.tex  Derive L.tex  Last remarks.tex  figures/Lcritical/Lcritical.png  figures/Kepler_spacecraft/Kepler_spacecraft.jpg  figures/Kepler_Galaxy1/Kepler_Galaxy1.jpg  figures/Drake4/Drake_Equation.jpg  figures/Lcritical/Lcritical.png  Space broadcasting.tex