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Delphinus – The Dolphin

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

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

Symbolism: Delphinus is also known as ‘The Dolphin’


History & Mythology

Sitting between constellations of Pegasus & Aquila, Delphinus is a small northern constellation that lies at the edge of the Milky Way. In Greek Mythology, the Dolphin was a messenger of the sea god Poseidon. In the 19th century Italian astronomer Nicolaus Venator named the 2 brightest stars Sualocin & Rotanev after himself, which is his name in the reverse. They are known now as Alpha & Beta Delphinus.


Key Data

Bordering Constellations: Delphinus is bordered by constellations Pegasus, Vulpecula, Equuleus, Sagitta, Aquarius & Aquila.

Sky Chart #: 4.

Star Raking: 60th largest constellation in the celestial sphere. 

Main Stars: Delphinus consists of 5 main stars.

Brightest Star: Beta Delphini.


Kids Fun Facts Corner

# 1. Delphinus has 5 stars with planets.

# 2. Star Gamma Delphini is a double star.

# 3. Beta Delphini is the brightest star in Delphinus.


Q&A Corner

Q. What is Delphinus also known as?

Q. How many main stars does Delphinus have?

Q. What is the brightest star in Delphinus?

Q. How many stars have planets in Delphinus?

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

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

For further reading on the Delphinus Constellation visit

  Key Vocabulary Celestial. Chart. Constellation. History.


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