Cosmos: A Sketch of a Physical Description of the Universe; Volume IV

Gain a sweeping view of the natural world through the eyes of pioneering German scientist Alexander von Humboldt. This ambitious work seeks to describe the entire universe, from the smallest particles to the grandest cosmic structures, through a synthesis of observation and theory.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.