Page:Lettersconcerni01conggoog.djvu/169

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144
Letters concerning

ſo natural a Phænomenon. He calculated the Reflexions and Refractions of Light in Drops of Rain; and his Sagacity on this Occaſion was at that Time look'd upon as next to divine.

But what would he have ſaid had it been prov'd to him that he was miſtaken in the Nature of Light; that he had not the leaſt Reaſon to maintain that 'tis a globular Body: That 'tis falſe to aſſert, that this Matter ſpreading it ſelf through the whole, waits only to be projected forward by the Sun, in order to be put in Action, in like Manner as a long Staff acts at one end when puſh'd forward by the other. That light is certainly darted by the Sun; in fine, that Light is tranſmitted from the Sun to the Earth in about ſeven Minutes, tho' a Cannon Ball, which were not to loſe any of its Velocity, cou'd not go that Diſtance in leſs than twenty five Years. How great wou'd have been his Aſtoniſhment, had he been told, that Light does not reflect directly by impinging againſt the ſolid Parts of Bo-

dies;