33. Of the substance of the Sun, and of Fire.
THere are divers opinions concerning the matter or substance of the Sun; some imagine the Sun to be a solid body set on fire; others that it is a fluid body of fire, and others again, that it is onely a body of Light, and not of fire; so as I know not which opi∣nion to adhere to: but yet I do rather believe the Sun to be a solid, then a fluid body; by reason fluid bodies are more inconstant in their motions then solid bodies; witness Lightning, which is a fluid fire, and flashes out through the divided clouds, with such a force as water that is pumpt; and being extended beyond the degree of flame, alters to something else that is beyond our humane perception. Indeed, it is of the nature of Air, or else Air inflamed; and as some sorts of Air are more rare, subtil and searching then others, so are some sorts of Lightning, as 'tis known by experience: