North pole postcard: Mercury

North pole postcard: Mercury
North pole postcard: Mercury This view of Mercury's north pole is composed of thousands of individual images captured by the MESSENGER mission. In the foreground are vast lava plains first discovered by MESSENGER. At the pole are some crater floors regions that never see sunlight, where even hot Mercury can host permanent ice deposits. Learn more about this image at NASA's Planetary Photojournal. NASA / JHUAPL / CIW