Pluto's heart
... that Pluto's heart has been provisionally named after Pluto discoverer Clyde Tombaugh?
... that <b id="mwAlY"><a href="./Tombaugh_Regio" id="mwAlc" rel="mw:WikiLink" title="Tombaugh Regio">Pluto's heart</a></b> <i id="mwAlg">(pictured)</i> has been provisionally named after Pluto discoverer <a href="./Clyde_Tombaugh" id="mwAlk" rel="mw:WikiLink" title="Clyde Tombaugh">Clyde Tombaugh</a>?