Question: what are the top 10 largest constellations?
Answer: Largest Constellations. The largest constellations in the sky are Hydra, Virgo, Ursa Major, Cetus and Hercules. The largest northern constellations are Ursa Major, Hercules, Pegasus, Draco and Leo, and the southern ones are Hydra, Virgo, Cetus, Eridanus and Centaurus.