, or "Star of Water" (水星, Suisei
) in Japanese, is the planet closest to the Sun in the Milky Way galaxy.
Sailor Moon series
In the Sailor Moon metaseries, Mercury was the home planet and the planet that was protected by Sailor Mercury.
In the manga, Mariner Castle was known to orbit the planet, and it was the castle of Princess Mercury.
Mercury, along with Venus, has no moons in comparison to the other planets.
The planet is named after Roman god Mercury, also known as Greek god Hermes, who is known as the messenger of the gods and the god of travelers.
Mercury is the ruling planet over the zodiac symbols Gemini and Virgo (Ami Mizuno was born under the sign of Virgo). Mercury is also associated with communication and the mind.