They are named after Shakespearean characters alongside a few named after characters in the works of Alexander Pope Neptune is named after the Roman god of the sea. Its largest moon, Triton ...

Neptune, the eighth planet from the sun, also has a varied collection of moons, the largest of which is Triton, the seventh-largest moon in the solar system. Its other moons include Proteus ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that the next won’t happen until 2040.