Cassiopeia Constellation Up in the Night Sky

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How often do we watch the stars? 

How many constellations can you distinguish?

Cassiopeia Constellation is one of the most noticeable constellations in the northern hemisphere. It can be observed all year round by the naked eye. Its ‘w’ or ‘м’ shape is quite distinctive. Cassiopeia Constellation has been known for more than 2000 years. Claudius Ptolemy, a prominent Greco-Egyptian astronomer, shared his knowledge of heavenly bodies in the Almagest, the oldest star catalogue survived to this day.

Cassiopeia Constellation Myth

Once upon a time there lived an arrogant queen of Aethiopia. Her name was Cassiopeia. She had a daughter named Andromeda. Cassiopeia was very pretentious and proud of her own beauty. She claimed that both her daughter and she were more beautiful than any of Poseidon’s daughters. 

Poseidon was god of the sea. His daughters were considered to be the most attractive sea girls with harmonious voices. Neither the beautiful sea nymphs, nor Poseidon could stand such an impudent saying. For that reason Poseidon punished Cassiopeia by placing her alone among the stars forever. Half the year she had to spend sitting upside down.
Cassiopeia by TSvetrovA
Usually the queen Cassiopeia is portrayed on the throne looking at the mirror or combing her hair.

Facts about Cassiopeia Constellation
Cassiopeia and its main stars

There are five well visible stars which form Cassiopeia Constellation. They are named as Epsilon (Segin), Delta (Ruchbah), Gamma, Alpha (Schedar) and Beta (Caph) Casseopeiae.


Schedar is thought to be the brightest star in the constellation. This orange giant is located about 230 light years from the Earth. 

Caph is relatively closer. The distance between our planet and Caph is only 55 light years. 

However, one light year is the distance which light travels per year. It means that one light year is 9,5 trillion kilometers. 

All in all, Cassiopeia is so far away from our planet. Poseidon must have been very angry with her J 

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