About 3 million years ago in the nearby galaxy a large cloud of gas spawned dense internal knots which gravitationally collapsed to form stars. NGC 604 was so large, however, it could form enough stars to make a globular cluster.
The Hodge 301 Cluster: Multiple Generations of Stars in the Tarantula Nebula. Also known as 30 Doradus, or NGC this nebula is an H II region in the Large Magallanic Cloud. It is the largest such region in the Local Group.
Galaxy Arp the tadpole galaxy is a mere 420 million light-years distant toward the northern constellation Draco. Its eye-catching tail is about 280 thousand light-years long and features massive, bright blue star clusters.
The great Orion molecular cloud complex, with the Orion Nebula below the belt and the Horsehead Nebula between the belt’s first and second stars from the left. Image credit: Rogelio Bernal Andreo, under a license.