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Hydrus – The Little Water Snake

Hydrus is one of the 88 constellations within the celestial sphere.

Hydrus is one of the 42 constellations that represents an animal.

Symbolism: Hydrus is also known as ‘The Little Water Snake’


History & Mythology

Hydrus is a zig zag constellation that is sometimes confused with it’s similar namesake. Hydra. Hydra is known is The Water Snake, with Hydrus The Little Water Snake. Hydrus is one of the 12 constellations introduced by the Dutch navigators Pieter Dirkszoon Keyser & Frederick De Houtman in the 16th century. The constellations bright stars make up a triangle shape   

Key Data

Bordering Constellations: Hydrus is bordered by constellations Tucana, Dorado, Reticulum, Eridanus, Phoenix, Horologium, Octans & Mensa.

Sky Chart #: 2.

Star Raking: 61st largest constellation in the celestial sphere. 

Main Stars: Hydrus consists of 3 main stars.

Brightest Star: Beta Hydri.


Kids Fun Facts Corner

# 1. Hydrus has 4 stars with planets.

# 2. Hydrus has 2 Deep-Sky Objects. PGC 6240 & NGC 602.

# 3. Beta Hydri is the brightest star in Hydrus.


Q&A Corner

Q. What is Hydrus also known as?

Q. How many main stars does Hydrus have?

Q. What is the brightest star in Hydrus?

Q. How many stars have planets in Hydrus?

Q. What number star ranking is Hydrus in the celestial sphere?

Download questions about the Hydrus Constellation here: Hydrus Constellation (answers are on this page)

Teachers. For more in depth work sheets on constellations. Click on Kidskonnect Worksheets  

For further reading and more information on the Hydrus Constellation visit

  Key Vocabulary Constellation. Star. Celestial. Sphere.


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