A constellation of the zodiac, popularly known as the water-carrier, through which the Sun passes from the third week of February to the second week of March. Its brightest stars are Alpha Aquarii (Sadalmelik) and Beta Aquarii (Sadalsuud), both of magnitude 2.9. It contains the 7th-magnitude globular cluster M2, the Helix Nebula, and the Saturn Nebula. Three meteor showers radiate from Aquarius each year, the Delta Aquarids, the Eta Aquarids, and the Iota Aquarids.
Subjects: Astronomy and Astrophysics.