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\title{Is modern cosmology broken?}
\subtitle{Eh\ldots kinda?\footnote{Suck it Betteridge}}
\author{Lauren Thomas (ljaytee)}

\date{Newline 2023}

\begin{document}
\frame{\titlepage}

\begin{frame}{Hubble tension. What is it? Why should I care?}
  \begin{equation*}
    H₀ \approx 70 \; \sf km \cdot s^{-1} \cdot Mpc ^{-1} \cdot
  \end{equation*}
\end{frame}

\begin{frame}{Cosmic Microwave Background Radiation (CMBR)}
  \begin{figure}
    \centering
    \vskip -1.5em
    \includegraphics[angle=90,width=12cm]{cmbr.jpg}
  \end{figure}
\end{frame}

\begin{frame}{Cosmic distance ladder}
  \begin{figure}
    \centering
    \includegraphics[width=10cm]{Artist_s_impression_of_Type_Ia_supernova_pillars.jpg}
    \caption{Artist impression. Not real image. Source: \url{https://www.esa.int/ESA_Multimedia/Images/2014/09/Artist_s_impression_of_Type_Ia_supernova}}
  \end{figure}
\end{frame}

\begin{frame}{Gravitational lensing}
  \begin{figure}
    \centering
    \includegraphics[width=5.5cm]{hst.jpeg}
    \includegraphics[width=5.5cm]{jwst.jpeg}    
    \caption{SMACS J0723.3-7327, HST (left), JWST (right)}
  \end{figure}
\end{frame}

\begin{frame}{Geometry of gravitational lenses}
  \begin{figure}
    \centering
    \includegraphics[width=8cm]{gravitational-lens-schematic.jpeg}
  \end{figure}
\end{frame}

\begin{frame}{Estimates of $H_0$ in the last 5 years}
  \begin{figure}
    \centering
    \vskip -0.5em
    \includegraphics[width=7cm]{figure_4_P1.jpg}
  \end{figure}
\end{frame}


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