According to Roman Mythology, when a person dies, they have to cross the river Styx—the river of death—with the help of a ferryman. This ferryman was named Charon. It is why one of Pluto’s moons is named Charon. The name “Pluto”was suggested by an 11-year-old British Schoolgirl,...
the proper name for Earth's moon is, well, the Moon. This stands in marked contrast to natural satellites of other celestial bodies in the solar system. For example, Jupiter's moons bear names derived from Greek and Roman mythology, such as Io, Titan, or Europa, all of which have a s...
Indeed, for decades, such basic information as its radius and mass had been difficult to determine. It was not until Pluto was visited by the U.S.spacecraftNew Horizons, which flew by Pluto and its satellite Charon in July 2015, that many key questions about it and its environs were ...
New Horizons, U.S. space probe that flew by the dwarf planet Pluto and its largest moon, Charon, in July 2015. It was the first space probe to visit Pluto. After its flyby of Pluto, New Horizons flew by another Kuiper belt object, Arrokoth, on January 1,