MHD wave mode phase velocity diagram for <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v_{a}&gt;v_{s}}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><msub><mi>v</mi><mrow class="MJX-TeXAtom-ORD"><mi>a</mi></mrow></msub><mo>&gt;</mo><msub><mi>v</mi><mrow class="MJX-TeXAtom-ORD"><mi>s</mi></mrow></msub></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle v_{a}&gt;v_{s}}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0db28c788d270561986b791e5a54995ca077fc59" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.671ex; width:7.459ex; height:2.176ex;" alt="{\displaystyle v_{a}&gt;v_{s}}"></span>.
<a href="//commons.wikimedia.org/wiki/User:Krishnavedala" title="User:Krishnavedala">Krishnavedala</a>
2018-04-25
<span class="int-own-work" lang="en">Own work</span>