Fontenelle

Entretiens sur la Pluralit, des Mondes, Title Page, 1721

Bernard de Fontenelle was a French scientist. Entretiens Sur La Pluralit, Des Mondes was very popular exposition of the principles of astronomy and was influential in promoting the acceptance of the Copernican system in the early half of the eighteenth century. 

Entretiens sur la Pluralit, des Mondes, Garden and Sky, 1721

Fontenelle, Bernard Le Bovier (1657-1757). Entretiens Sur La Pluralité Des Mondes, 1721.

The English translation of this title was Conversations on the Plurality of Worlds