All the planets, except ours, are named after Roman/Greek Gods and goddesses.
Jupiter, was the king of the Roman gods
Saturn, was the Roman god of agriculture
Uranus, was named after an ancient Greek king of the gods.
Neptune, was the Roman god of the Sea.
Pluto, which is now classified as a dwarf planet, was the Roman god of the underworld
Earth is of German origin, simply meaning groud
HAVE A GREAT DAY