👉 In astrophysics, a supergalaxy is a galaxy that is so large and dense that its gravitational effects are far beyond what can be seen or measured. It's defined as a galaxy that has an estimated mass of at least 10^20 solar masses, which is about 10^9 times the mass of our Sun. Supergalaxies can be classified into two main types: elliptical supergalaxies and spiral supergalaxies. Elliptical supergalaxies are
