Page:Huygens-Celestial-Worlds-Discovered.pdf/42

28 clear. For this Water of ours, in Jupiter or Saturn, would be frozen up intantly by reaon of the vat ditance of the Sun. Every Planet therfore mut have its Waters of uch a temper, as to be proportioned to its Heat: Jupiter’s and Saturn’s mut be of uch a Nature as not to be liable to Frot; and Venus’s and Mercury’s of uch, as not to be eaily evaporated by the Sun. But in all of them, for a continual upply of Moiture, whatever Water is dawn up by the Heat of the Sun into Vapours, must neccearily return back again thither. And this it cannot do but in Drops, which are caued as well there as with us, by their acending into a higher and colder Region of the Air, out of that which, by reaon of the Reflection of the Rays of the Sun from the Earth, is warmer and more temperate.

Here then we have found in thee new Worlds Fields warm’d by the kindly Heat of the Sun, and water’d with fruitful Dews and Showers: That there mut be Plants in them as well for Ornament as Ue, we have hewn jut