\begin{table}%A.1
%\centering
\par
\caption{\label{tab:height} Height of lower boundary of Earth's shadow at 
zenith ($h_z$) and at~60$^\circ$ from zenith along the solar meridian
in the Sun's direction.}
\center{
\begin{tabular}{ccc}
\hline\hline
$\varphi$ & $h_z$ & $h_0(\alpha=60)$ \\ (deg) & (km) & (km) \\
\hline
3       & 8.8   & 8.0  \\
6       & 35.1  & 29.9 \\
9       & 79.5  & 63.3 \\
12      & 142.5 & 106.7\\
15      & 225.1 & 159.1\\
18      & 328.3 & 220.1\\
\hline
\end{tabular}
}
\end{table}