... News . ... New Horizons sees Plutoт??s т??bright fringe,т?? Charonт??s т??dark poleт?? ... Every terrain type we see on the planet, including both the brightest and darkest surface areas, are represented there; it s a wonderland! ... For example, the bright fringe we see on Pluto may represent frost deposited from an evaporating polar cap, which is now in summer sun. ... New Horizons returns new images of Pluto . ... Only registered members of Astronomy.com are allowed to comment on this article. ...