Key word in that whole sentence.
But you do know that to discern the actual importance of the matter that the planets are made of, you'd also have to take into account planet size, because a gaseous planet the size of the moon would not create as big an explosion as a solid one the size of the earth.
Just thought i'd let you know.
(OMFG, i'm such a f***ing Nerd)
Oh, and Navarro struck out FINALLY!