Iris nebula (NGC 7023),optical image. This is a reflection nebula,one which does not emit its own light,but instead reflects the light of the central bright young star. Reflection nebulae typically appear blue as blue light is scattered more effectively than other wavelengths. NGC 7023 lies around 1400 light years from Earth in the constellation Cepheus | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Croman, Russell |
Taille de l’image : | 3800 px × 2620 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |