Notes on Gravitation.

Progress, Volume VI, Issue 9, 1 July 1911, Page 722

Notes on Gravitation.

(By Peter Ellis.)

The . earth being , a mass of material existing in space (its shape ' being ap-

proximately spherical, the form that all bodies naturally assume if possible) its particles' must, of necessity, hold together in order to be a mass; gravitation then, is simply the holding together of the atoms. When a portion of this material is by any agency lifted away from the parent earth, it will return again to its bosom ,on the first opportunity; were it not so the earth must fall to pieces arid cease to exist.