Sunset of the Habitable Worlds. posted Jun 29, 2012 5:52 PM by Abel Mendez Torres [ updated Jul 2, 2012 10:18 AM ]. This figure shows an actual image of a sunset on Earth compared to artistic representations for the best candidates of potential habitable worlds so far. The image corrects for the size, colors, and brightness of the star and sky as seen from an Earth-like world located in the orbits of these worlds. The size of and colors of the star of Kepler-22 b look similar to Earth...