It measures 1303 square degrees and it is also the longest at over 100 degrees.
Centaurus is the brightest constellation.
Crux, also known as the Southern Cross is the smallest constellation.
Canis Major constellation contains the brightest star Sirius.
Constellation is a group of stars that form a particular pattern and are generally named according to the shape it has. There are total 88 constellations in the universe.