Show if cornel comet should hit earty professor todd anys that if tile hie head flood of n lorge comet should collide will tile hie earth tir pr the or ud nd witter would he instantly and dissipated and a considerable region of the hie earths surface raised to Ine incandescence andis it might happen that dif diffusion fuston of noxious gases s froni from sudden conlous tion of hydrocarbon compounds would so vitiate tile atillo atmosphere sPhere as to render it unsuitable for breathing in this manner while the earth itself its oceans and human dwellings might escape linb unharmed armed such an ev event elif might mean universal death to n nearly all forms of animal existence |