deletions | additions       diff --git a/introduction_1.tex b/introduction_1.tex  index e422a7c..52b340f 100644  --- a/introduction_1.tex  +++ b/introduction_1.tex 
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\section{Topics}   \begin{enumerate}  \item Geometryof artificial satellites  \item Solar panels (Need somebody expert in the properties of {\bf materials} usually adopted to build solar panels)  \item Detection in polarized light (Need an {\bf expert on polarization})  \item Transit signature (Need an {\bf expert on transit light curve})