User: barry.wardell Date: 2016/06/15 10:05 AM

Modified: /about/gallery/gw150914/ index.php

Log: gw150914: furthe fix image captions

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Directory: /about/gallery/gw150914/ ===================================

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<h4>Curvature scalars</h4> <a href="ReI.png"><img src="ReI_sm.png" srcset="ReI_sm_2x.png 2x" alt="R_{abcd} R^{abcd}" width="357" height="300"/></a> -<p class="caption">The scalar curvature invariant $$R_{abcd} R^{abcd}$$ - known as the Kretschmann scalar - computed from the -square of the Riemann tensor.</p> <a href="ImI.png"><img src="ImI_sm.png" srcset="ImI_sm_2x.png 2x" alt="R^*_{abcd} R^{abcd}" width="342" height="300"/></a> -<p class="caption">The dual scalar curvature invariant $$R_{abcd} {}^* R^{abcd}$$ - known as the Chern-Pontryagin scalar - computed from the -product of the Riemann tensor and its dual.</p> +<p class="caption">Scalar curvature invariants computed from the Riemann tensor, $$R_{abcd}$$, and its dual, $${}^* R^{abcd}$$. Left: the Kretschmann scalar, $$R_{abcd} R^{abcd}$$. Right: the Chern-Pontryagin scalar, $$R_{abcd} {}^* R^{abcd}$$.</p>

<a href="RePsi4.png"><img src="RePsi4_sm.png" srcset="RePsi4_sm_2x.png 2x" alt="Re(Psi_4)" width="299" height="300"/></a> <p class="caption">The real part of $$\Psi_4$$, the component of the Riemann tensor representing outgoing gravitational radiation.</p>