The number of main stars in constellation A is 5, in constellation B is 7 in constellation C can be 7 or 8, whereas in constellation D is usually 9. Name the constellations A, B, C and D.

The constellation A is Cassiopeia. It is the prominent constellation in the northern sky. It is visible during winter in the early part of the night. It looks like a distorted letter W or M.

The constellation B is Ursa Major. It is also known as the Big Dipper, the Great Bear or the Saptarshi. There are seven prominent stars in this constellation. It appears like a big ladle or a question mark. There are three stars in the handle of the ladle and four in its bowl.

The constellation C is Orion. The constellation Orion is visible during winter in the late evenings. It also has seven or eight bright stars. It is also called the Hunter. The three middle stars represent the belt of the hunter. The four bright stars appear to be arranged in the form of a quadrilateral.

The constellation D is Leo Major. Leo Major appears to have the shape of a big lion. It is visible in the northern hemisphere around the spring. It is easily identifiable through may. Its brightest star is Regulus.