Ceres' Haulani Crater, with a diameter of 21 miles (34 kilometers), shows evidence of landslides from its crater rim. This image was made using data from NASA's Dawn spacecraft when it was in its high-altitude mapping orbit, at a distance of 915 miles (1,470 kilometers) from Ceres.
Dwarf Planets of Our Solar System (Infographic) by Karl Tate In 2006 the organization responsible for classifying celestial bodies, the International Astronomical Union, decided that a new class of objects was needed. The solar system's erratic ninth planet, Pluto, was assigned to the new “dwarf planet” category along with four other bodies, all tinier than Earth’s moon. Some astronomers expect there may be as many as 50 dwarf planets in the solar system.
Could the Dwarf Planet Ceres Support Life? by Mike Wall, Space.com Senior Writer | 12/22/14 The dwarf planet Ceres, also the largest asteroid in the solar system, is seen here in an amazing view from the Hubble Space Telescope. In March 2015, NASA's Dawn spacecraft is expected to enter orbit around Ceres to study the object like never before.