Excerpt from Elements of Natural Philosophy: Arranged Under the Following Heads; Matter and Motion; The Universe; The Solar System; The Fixed Stars; The Earth Considered as a Planet; The Atmosphere; Meteors; Springs, Rivers, and the Sea; Fossils; Plants; Animals; The Human Frame Wherefore the quantity of matter in the earth being twenty six times more than ln the moon, the motion in the moon towardsthe earth, by the common force of attraction, by which they are impelled towards one another, will be twenty-six times as fast as in the earth; that Is, the moon will rqov e twenty six miles towards the earth, for every mile the earth moves towards the moon. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.