         data for Mars.
           ./
           <a href="furnsh_c.html">furnsh_c</a> ( &quot;pck00008.tpc&quot; );

           /.
           Load an SPK file giving ephemerides of earth and Mars.
           ./
           <a href="furnsh_c.html">furnsh_c</a> ( &quot;de405.bsp&quot; );

           /.
           Load a leapseconds kernel to support time conversion.
           ./
           <a href="furnsh_c.html">furnsh_c</a> ( &quot;naif0007.tls&quot; );

           /.
           Look up the radii for Mars. 