An essay on comets

in two parts. : Part I. Containing an attempt to explain the phænomena of the tails of comets, and to account for their perpetual opposition to the sun, upon philosophical principles. Part II. Pointing out some important ends for which these tails were probably designed: wherein it is shewn, that, in consequence of these curious appendages, comets may by inhabited worlds, and even comfortable habitations; not withstanding the vast excentricities of their orbits. The whole interspersed with observations and reflections on the sun and primary planets.

Edición de la obra An essay on comets