“The first is that where the Moon is; the second is that where Mercury is; the third is that where Venus is; the fourth is that where the Sun is; the fifth is that where Mars is; the sixth is that where Jupiter is; the seventh is that where Saturn is; the eighth is that of the Stars; the ninth is not visible, save by the motion mentioned above, and is called by many the Crystalline; that is, diaphanous, or wholly transparent. Beyond all these, indeed, the Catholics place the Empyrean Heaven; that is to say, the Heaven of flame, or luminous; and this they suppose to be immovable, from having within itself, in every part, that which its matter demands.