Apart from making elegant visual sense as well as common sense the Expando planet model best explains the dinosaur extinction. The change in gravity from an expanding planet makes the Earth unsupportable of massive beasts including the giants that Michael Tellinger has found evidence of and which the Smithsonian goes nuts about. So for example, for a brontosaurus to survive on the planet today it would require eight of its existing hearts actually on its neck to pump the blood up to a head that would be under so much blood pressure it might have difficulty staying on. Seriously.
