EMILE'S OBSERVATION 231 



"The sun isn't very big at most, as large as a 

 grindstone," said Jules. "The stars are only 

 sparks. But the earth is so large and heavy!" 



"What did you just say? the sun as large as a 

 grindstone? the stars only little sparks? Ah, if you 

 only knew! Let us begin with the earth." 



