Hydra is a constellation in the southern sky, and it is named after the Latin word for "water snake".
The constellation is located between the constellations Cancer and Leo, and it is visible from most locations in the southern hemisphere.
The brightest star in Hydra is Alphard, which is a solitary red giant located over 180 light-years from Earth.
In astrology, those born under the Hydra zodiac sign are said to be imaginative and sensitive, but also prone to mood swings and insecurity.
The Hydra constellation has been recognized since ancient times, and it was originally associated with the myth of the Lernaean Hydra, a multi-headed serpent slain by Hercules.
Hydra is home to several notable deep-sky objects, including the Antennae Galaxies and the Hickson Compact Group 90.
The constellation is relatively large and sprawling, and it is often difficult to spot individual stars or clusters within its boundaries.
Hydra contains several stars that are known to have exoplanets orbiting them, including HD 10180, which has been called the "solar system's twin".
The shape of the Hydra constellation is often described as resembling a winding snake, with the head of the serpent located near the star Alphard.
Despite its relatively faint appearance, the Hydra constellation has played an important role in astronomy, with many important discoveries being made in the region.