Here's the Rosetta Spacecraft Lining Up Its Asteroid Landing Shot

After a decade of interplanetary travel and a harrowing orbital entry, the ESA's Rosetta spacecraft is finally cruising within 50 kilometers of its target, the 67P/Churyumov-Gerasimenko asteroid. To commemorate the momentous event, the Rosetta snapped this selfie with its target in the background. Up next: landing on the rapidly spinning space rock.