The universe has long captivated us with its immense scales of distance and time. How far does it stretch? Where does it end, and what lies beyond the star fields and the streams of galaxies that extend as far as our telescopes can see? These questions are beginning to yield to a series of extraordinary new lines of investigation and technologies that are allowing us to peer into the most distant realms of the cosmos.
How did humans acquire the power to transform the planet like this? Looking at the earth at night reveals to us just how successful we have been in harnessing and manipulating energy and how important it is to our existence.
