On a related note, there are some geologists who believe the Earth has increased in volume/mass over millions of years: http://en.wikipedia.org/wiki/Expanding_

On a related note, there are some geologists who believe the Earth has increased in volume/mass over millions of years: http://en.wikipedia.org/wiki/Expanding_Earth http://en.wikipedia.org/wiki/Expanding_Earth For instance, dinosaurs grew very large because the Earth was much smaller with less mass and gravity.