This second edition of the translated work by Monsieur Fontenelle includes many improvements and some new observations by William Gardiner Esq. The book explores the concept of multiple worlds beyond Earth and examines the possibility of life on other planets, making it a fascinating read for those interested in astronomy and philosophy. 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.