The Notebooks of Leonardo Da Vinci Complete


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sphere.  
Here you must prove that the earth produces all the same effects  
with regard to the moon, as the moon with regard to the earth.  
The moon, with its reflected light, does not shine like the sun,  
because the light of the moon is not a continuous reflection of that  
of the sun on its whole surface, but only on the crests and hollows  
of the waves of its waters; and thus the sun being confusedly  
reflected, from the admixture of the shadows that lie between the  
lustrous waves, its light is not pure and clear as the sun is.  
[Footnote 38: This refers to the small diagram placed between B  
and B.--]. The earth between the moon on the fifteenth day and the  
sun. [Footnote 39: See the diagram below the one referred to in the  
preceding note.] Here the sun is in the East and the moon on the  
fifteenth day in the West. [Footnote 40.41: Refers to the diagram  
below the others.] The moon on the fifteenth [day] between the earth  
and the sun. [41]Here it is the moon which has the sun to the West  
and the earth to the East.  
8
98.  
WHAT SORT OF THING THE MOON IS.  
The moon is not of itself luminous, but is highly fitted to  
735  


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