Name two constellations which are visible in the sky:
(a) in the summer season.
(b) in the winter season.
(a) Ursa Major can be seen during summer time in the early part of the night. It has seven prominent stars.
(b) Cassiopeia is another 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.