The clouds of pink and blue consist of high-speed matter ejected ... still deeply embedded in its birth nebula and enshrouded by a cloud of cold, dense gas," ESA officials said.

At its heart is a star cluster, NGC 2244, which contains several hot, blue, massive young stars ... and ionized silicon near ...

The ring-shaped clouds around the nebula RCW 120 were detected by NASA's Spitzer Space Telescope in this composite image. The Black Eye Galaxy is a relatively isolated spiral galaxy 17 million ...