Nope. The Earth was part of the Solar System when it formed 4.6 BILLION years ago. It got knocked around somewhat when a planetoid collided with it soon after that, but the result was our moon, without which none of us would be here. The whole Universe only goes back 13.7 billion years, so some of those other guesstimates are a little out.... Check out the live links your Ask.com Editors have left you at the top right-hand corner of this page. Those numbers were worked out from dating the oldest rocks ever found on the Earth, moon and cometary fragments.