deletions | additions       diff --git a/layout.md b/layout.md  index 053533a..dc33bbe 100644  --- a/layout.md  +++ b/layout.md 
...
Updating Drake Eq.tex  Astrobiology.tex  fc.tex  Last  remarks.texSpace broadcasting.tex  figures/Kepler_spacecraft/Kepler_spacecraft.jpg  figures/Kepler_Galaxy1/Kepler_Galaxy1.jpg  figures/Drake4/Drake_Equation.jpg  Derive L.tex  figures/Lcritical/Lcritical.png Space broadcasting.tex