"Hades [Pluto] trembled where he rules over the dead below, and the Titans under Tartarus who live with Cronos [Saturn] ...." -- Hesiod, poet, Theogony, 8th century B.C.
"After the capture of Elis he [Mars] marched against Pylus and having taken the city he slew Periclymenus, the most valiant of the sons of Neleus, who used to change his shape in battle. And he slew Neleus and his sons, except Nestor; for he was a youth and was being brought up among the Gerenians. In the fight he also wounded Hades [Pluto], who was siding with the Pylians." -- Apollodoros, historian, The Library, Book II, 2nd century B.C.
Science Daily: New Hubble Maps of Pluto Show Surface Changes.
ScienceDaily (Feb. 5, 2010) — NASA has released the most detailed set of images ever taken of the distant dwarf planet Pluto. The images taken by NASA's Hubble Space Telescope show an icy and dark molasses-colored, mottled world that is undergoing seasonal changes in its surface color and brightness.