Earth: The life of our planet

by Dr. Mike Goldsmith Year Published: 2011
"Earth is a world in progress.  Within an expanding universe, it is a vivid blue spark of life that came into being four and a half billion years ago through a series of explosive events.  Since its formation, it has forged ahead with purpose, forming oceans, an atmosphere, and a rare blend of conditions that make the planet suitable for life.  And Earth is changing still, shaped partly by human beings and partly by conditions beyond our control.  These pages are a visual celebration of a precious place, the like of which we may never discover elsewhere in space. "