Astronomy Picture of the Day . APOD: 2015 July 11 Geology on Pluto . ... Credit Copyright: NASA , Johns Hopkins Univ./ ... As the robotic New Horizons spacecraft bears down on this unexplored world of the distant Solar System, new features on its surface are becoming evident. ... New Horizon's images and data on these structures will likely be studied for years to come in an effort to better understand the geologic history of Pluto and our Solar System. ... Publications with keywords: Pluto . ...