One of the memorable images captured by the New Horizons spacecraft during its flyby of Pluto this summer was a partial crescent of the dwarf planet backlit by the Sun. Now the mission’s science team has processed the entire image to reveal a stunning full view of Pluto.

New Horizons snapped this picture just 15 minutes after its closest approach to Pluto on July 14, when the spacecraft had already moved 18,000 km beyond the tiny planet. The silhouetted view of Pluto reveals both the hazy layers of its thin nitrogen atmosphere, which extends nearly 1,600km above the surface of the world, as well as the rugged nature of its varied terrain.

NASA released the image after it announced the spacecraft has now moved 127 million km beyond Pluto and completed a third successful maneuver in its effort to reach a Kuiper Belt object known as 2014 MU69. If all goes well, New Horizons will meet up with this distant, small 45km target on New Year’s Day, 2019.

In addition to the crescent photo, scientists with the New Horizons mission also released new information about a crater on Pluto’s largest moon, Charon, that is rich in ammonia. The scientists, apparently a little too eager about the new Star Wars film, named the crater Organa. During a high-resolution infrared scan they noted high levels of absorption at wavelengths near 2.2 microns, indicating the presence of frozen ammonia. A scan of a similarly sized crater nearby—Skywalker—showed primarily water ice. Both craters are about 5km across.

"Why are these two similar-looking and similar-sized craters, so near to each other, so compositionally distinct?" asked Will Grundy, New Horizons Composition team lead from Lowell Observatory in Flagstaff, Arizona. "We have various ideas when it comes to the ammonia in Organa. The crater could be younger, or perhaps the impact that created it hit a pocket of ammonia-rich subsurface ice. Alternatively, maybe Organa’s impactor delivered its own ammonia."

If the ammonia came from Charon’s interior, it could explain the nature of the moon’s surface, which appears to have been formed by some cryovolcanic process. One such method would be the eruption of cold magmas made of ammonia and water.

Or maybe it was just midi-chlorians.