<B>The Earth as you've never seen it before.</B><BR/><BR/>The ancient Greeks called it Gaia; the Romans Terra. We know it simply as Earth,<wbr/> the planet we call home. And what a planet it is.<BR/><BR/>Formed around 4.6 billion years ago from the debris of the big bang and long-dead stars,<wbr/> at first it was nothing special,<wbr/> but somehow it evolved to become the most amazing place in the known Universe. The only living planet we know of,<wbr/> it also has a very unusual moon,<wbr/> a remarkably dynamic surface,<wbr/> a complex atmosphere and a deeply mysterious interior.<BR/><BR/><I><I>This is Planet Earth</I></I> is dedicated to the wonders of planet Earth. Its past is long and dramatic and its future shrouded in mystery. Yet despite centuries of research,<wbr/> only now are we starting to understand Earth's complexity.