The Iris Nebula (NGC 7023) formed through a combination of star formation, light scattering, and stellar interaction with surrounding interstellar dust. Located approximately 1,300 light-years away in the constellation Cepheus, it spans about six light-years across.
The Iris Nebula (NGC 7023) formed through a combination of star formation, light scattering, and stellar interaction with surrounding interstellar dust. Located approximately 1,300 light-years away in the constellation Cepheus, it spans about six light-years across.