Astronomy Picture of the Day . A Plutonian Landscape . ... 18.09.2015 . ... Credit Copyright: NASA , Johns Hopkins Univ./ APL , Southwest Research Institue Explanation: This shadowy landscape of majestic mountains and icy plains stretches toward the horizon of a small, distant world. It was captured from a range of about 18,000 kilometers when New Horizons looked back toward Pluto , 15 minutes after the spacecraft's closest approach on July 14. ... Publications with keywords: Pluto . ...