Title: Cosmic Dragons
Description: "Professor Chandra Wickramasinghe, in this account of his pioneering work as an astronomer, sees comets with their magnificent tails of cosmic dust as being both a life giving force for our planet and equally as destroyers of life."--Dust jacket flap.
Subjects: Life, Origin, Cosmic grains, Life, origin, Cosmic dust, Comets, Collisions with Earth