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Write about orion and cassiopia in 3000 words.
Cassiopeia constellation is located in the northern sky. It was named after Cassiopeia, the vain and boastful queen in Greek mythology.The constellation was first catalogued by the Greek astronomer Ptolemy in the 2nd century. It is easily recognizable in the sky because of its distinctive W shape.
Cassiopeia is the 25th largest constellation in the night sky, occupying an area of 598 square degrees.
It lies in the first quadrant of the northern hemisphere (NQ1) and can be seen at latitudes between +90° and -20°.
The neighboring constellations are Andromeda, Camelopardalis, Cepheus, Lacerta, and Perseus.
Cassiopeia has three stars with known planets and contains two Messier objects: M103 (NGC 581) and M52 (NGC 7654).

The brightest star in the constellation is Schedar, Alpha Cassiopeiae.

The Perseid meteor shower is associated with the constellation Cassiopeia.


Orion Constellation

    Orion is visible in both the Northern and Southern hemispheres.
    In the Northern hemisphere the constellation can be seen from late autumn to early spring.
    In the Southern hemisphere Orion can be seen in the summer months, note that it will appear upside down.
    The constellation mainly consists of bright blue supergiant stars, the most notable exception being the red supergiant Betelgeuse which lies on Orion's shoulder.
    Betelgeuse is also the largest star in the constellation, it has 1,000 times the radius of the sun.
    The brightest star in the constellation is Rigel, which is 40,000 times brighter than the sun and emits 100,000 times the energy.
    The three stars which form a line through the middle of the constellation are known as Orion's Belt.
    If you follow an imaginary line down through Orion's Belt it will take you to the brightest star in the night sky, Sirius, follow the line up in the southern hemisphere.

Orion Mythology

Orion is a character from Greek mythology, a giant hunter who was placed in the stars by Zeus upon his death. In the night sky Orion was perceived by ancient Greeks as defending himself against the nearby constellation of Taurus the bull.
In one version of the myth Orion was the son of Poseidon, the Greek God of the sea, from whom he inherited an ability to walk on water. Orion walked across the sea to the island of Chios where he attacked the daughter of the island ruler in a drunken rage. Orion was blinded by the ruler in an act of retaliation but was later healed by Helios, the Greek personification of the sun. Orion later became arrogant with his great hunting abilities and vowed to kill every creature on the planet. The Goddess of the Earth, Gaia, responded by sending a giant scorpion to destroy him. In the ensuing battle Orion was killed and both he and the scorpion were placed amongst the stars.


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