This is a Hubble Space Telescope image of a pair of star clusters that are believed to be in the early stages of merging. The clusters lie in the gigantic 30 Doradus Nebula, which is light-years from Earth. (via Merging clusters in 30 Doradus
NGC Cathedral to Massive Stars : How massive can a normal star be? Estimates made from distance, brightness and standard solar models had given one star in the open cluster Pismis 24 over 200 times the mass of our Sun, making it one of the most mass
Pic - the Heart of the Rosette Nebula or bumble bee. The Rosette Nebula (also known as Caldwell is a large, circular H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy.