THE ORIGIN OF MAN 5 



The earth is composed of a large number of 

 elements, these elements being all composed of 

 atoms. Some of the elements which are con- 

 stituents of the earth are oxygen, silicon, alu- 

 minium and iron. Now oxygen is made up of 

 oxygen atoms, silicon of silicon atoms, etc. Also 

 our planetary system which consists of the sun, 

 moon, stars, etc., is likewise composed of ele- 

 ments. 



Now that we know of what the earth and 

 planets are composed let us use our imagination. 

 Before we begin I wish to say that I will present 

 two theories (one of which is incorrect) so that 

 you will form a clear conception of the scientific 

 theory of the formation of the universe. Let us 

 imagine that there was once nothing but space 

 and through this space let us distribute billions 

 and billions of atoms. In the eighteenth century 

 the nebular hypothesis was formed. It was 

 founded essentially upon the conception of the 

 condensation of matter or of these atoms, origin- 



