The Dark Side of a Comet

Every now and again, I think it's OK to simply post an amazingly dramatic and moody photo of an astronomical object. So please take a moment to appreciate this portrait of a brooding comet: This is 67P/Churyumov-Gerasimenko, the double-lobed 10 billion ton chunk of ice and rock that is currently the flame to the ESA Rosetta spacecraft's moth. The images we've seen so far have been well-lit by the Sun, but this one was taken when the comet was between the probe and the Sun. With only the illumin...