Planet cannot be perfectly sphericall, since 'tis so remote a body from the first orbe, as Aristotle had said before." You may see this truth assented unto by Blancanus the Jesuit[1], and by him confirmed with divers reasons, Keplar[2] hath observed in the Moones eclipses, that the division of her enlightened part from the shaded, was made by a crooked unequall line, of which there cannot be any probable cause conceived, unlesse it did arise from the ruggednesse of that planet, for it cannot at all be produc'd from the shade of any mountains here upon earth, because these would be so lessned before they could reach so high in a conicall shadow, that they would not be at all sensible unto us (as might easily be demonstrated) nor can it be conceived what reason of this difference there should be in the Sunne. Wherefore there being no other body that hath any thing to doe in eclipses, we must necessa-
