What Is Glittering at Pluto's North Pole?

As the New Horizons spacecraft nears Pluto, more details are coming into view, and we are beginning to see surface features on the tiny world. And that means we'll see things that are ... odd. Perhaps "as yet unexplained" is a better term, since we're seeing these markings for the first time in human history. The press releases have been amazing, but the images released have been enlarged and processed in complex ways to bring out details. But as the probe gets closer, we can see details without...