The largest constellation in the Northern Hemisphere is the aptly named Ursa Major constellation: the Great Bear. Here you'll be able to spot one of the most recognizable collection of stars in ...

Together, they comprise the 23rd-largest constellation, which takes up about 1½ percent of the sky. But size doesn’t equal brightness. Of the 88 constellations, Serpens ranks 67th in that category.

Although Boötes is the 13 th largest constellation, covering 907 square degrees, it contains few astronomical objects. The best one is magnitude 9.2 NGC 5466, ...