WASP-15b
... that the anomalously high radius of extrasolar planet WASP-15b is thought to be caused by some form of internal heating?
... that the anomalously high radius of <a class="mw-redirect" href="./Extrasolar_planet" id="mwB5I" rel="mw:WikiLink" title="Extrasolar planet">extrasolar planet</a> <b id="mwB5M"><a href="./WASP-15b" id="mwB5Q" rel="mw:WikiLink" title="WASP-15b">WASP-15b</a></b> is thought to be caused by some form of internal heating?