Five Weeks to Pluto: The Strange Discovery of Planet X and a World Like No Other (Part 2)

A computer-generated impression of the view from the surface of Pluto. The Sun looks like a very bright star on the sky (upper right), while Charon, Pluto’s biggest satellite looms large near the horizon (at left). NASA’s New Horizons mission will replace our artistic impressions of the planet and its moons with real […]