Pale Blue Dot Author:Carl Sagan When we humans first left the Earth and saw it from beyond the outermost planet, it appeared as a pale blue dot. As we complete the preliminary reconnaissance of our neighborhood in space, we need a long-term, over-arching vision of the human future. The man who brought the planets and the stars to so many of us suggests that our very survival... more » depends on the wise use of other worlds.
"Pale Blue Dot" reveals how science has altered our perception of who we are and where we stand and challenges us to weigh what we will do with that knowledge. Out of a sometimes painful recognition of our true place in the cosmos comes a vision of an exhilarating future, with a surprisingly spiritual impact.« less
This edition of this book is on audio cassette which is recorded separately on each channel. This means you will need a stereo playback mechanism which allows you to switch all the way to the left and right speakers alternately.