He put up the glass again.
"But what do you mean by that?" said Ellen, "there is no magnifying-glass between us and the moon to make her look larger."
"You are sure of that?"
"Why, yes," said Ellen, "I am perfectly sure; there is nothing in the world. There she is, right up there, looking straight down upon us, and there is nothing between."
"What is it that keeps up that pleasant fluttering of leaves in the wood?"
"Why, the wind."
"And what is the wind?"
"It is air air moving, I suppose."
"Exactly. Then there is something between us and the moon?"
"The air? But, Mr. John, one can see quite clearly through the air; it doesn't make things look larger or smaller."