Show the end of our world sir Wil william linin thonia thompson aon in a it lecture before the koyal hoyal institution of london set get forth the latest scientific acl entitle theories e S concerning inythe the probable origin total amount and po possible sible duration of our aims suns hent heat and light after referring to the theory of Helni holty that chesun the nun was a vast globe gm gradually dually cooling and shrinking as its it cooled but that the shrinkage which was the effect of or gravity upon its mass ma ss kept up its temperature sir william said sall the total of the nuns suns heat Is equal to that which would be required to kee keep p up millions million 4 of millions of millions of horse power or about horse power for every square yard and yet the modern n dynamical theory of heat shows that tha the bunn suns masa mass must fall in tit or contract thirty five meter per annum to keep up that tremendous energy at this rate of contraction the solar radius will be 01 per cent less in 2000 years year from now than it Is today according to these deductions a time must come w when hen the temperature must fall this being the case ca se it is inconceivable that the sun will conti continua nut to emit heat sufficient to sustain animal life for more than years longer |