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$\begin{figure} \par\includegraphics[width=8cm,clip]{1890fig1.ps}\end{figure}$ Figure 1: Explosions. Comparison of MC calulations ( circles) of the cmf luminosity L(t)with predictions of similarity theory ( straight lines). The surface velocity v_* = 0.9 c. The unit for the indicated scale-free extinction coefficients $\chi _{1}$ is 1/R₁, where R₁ = v_* t₁. The unit of luminosity is $4/3 \pi R_{1}^{3} \times 4 \pi \tilde{\eta}_{1}$ . The luminosites for $\chi _{1} = 3$ have been increased by 1.5 dex.
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In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{1890fig2.ps}\end{figure}$ Figure 2: Implosions. Same as Fig. 1 but with signs reversed for $\beta _{*}$ and t₁. The luminosites for $\chi _{1} = 3$ have been increased by 1.5 dex.
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In the text

$\begin{figure} \par\includegraphics[width=7.7cm,clip]{1890fig3.ps}\end{figure}$ Figure 3: Characteristic trajectories $\mu (\beta ; \mu _{*})$ for Eq. (7) when $\beta _{*} = 0.9$ . The curves are labelled with the value of $\mu _{*}$ , the direction cosine at the surface for the inward ray.
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In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{mnhc.ps}\end{figure}$ Figure 4: Emergent intensities in the co-moving frame for the indicated values of $\beta _{*}$ . The exponent p = 5, and $\chi _{1}$ is from Eq. (24). The formula for $\chi _{1}(\beta )$ in units of 1/R₁ is exhibited (cf. Figs. 1 and 2). The unit of intensity is $c t_{1} \eta _{1}$ .
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In the text

$\begin{figure} \par\includegraphics[width=7.8cm,clip]{1890fig2.ps}\end{figure}$	Figure 2: Implosions. Same as Fig. 1 but with signs reversed for $\beta _{*}$ and t₁. The luminosites for $\chi _{1} = 3$ have been increased by 1.5 dex.
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$\begin{figure} \par\includegraphics[width=7.7cm,clip]{1890fig3.ps}\end{figure}$	Figure 3: Characteristic trajectories $\mu (\beta ; \mu _{})$ for Eq. (7) when $\beta _{} = 0.9$ . The curves are labelled with the value of $\mu _{*}$ , the direction cosine at the surface for the inward ray.
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$\begin{figure} \par\includegraphics[width=7.8cm,clip]{mnhc.ps}\end{figure}$	Figure 4: Emergent intensities in the co-moving frame for the indicated values of $\beta _{*}$ . The exponent p = 5, and $\chi _{1}$ is from Eq. (24). The formula for $\chi _{1}(\beta )$ in units of 1/R₁ is exhibited (cf. Figs. 1 and 2). The unit of intensity is $c t_{1} \eta _{1}$ .
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