Page:The Discovery of a World in the Moone, 1638.djvu/191

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Suppose A B to be a Hemispheare of one earth, C D to be the upper part of the highest region, in which there might be either a contracted vapour, as G, or else a dilated one, as H I. Suppose E F likewise to represent halfe the heavens, wherein was this appearing Comet at K. Now I say, that a contracted vapour, as G could not cause this appearance, because an inhabitant at M could not discerne the same starre Rh