Iris Nebula. Optical image of NGC 7023,the Iris Nebula (blue,upper centre). North is at top. This reflection nebula is the part of a cloud of gas and dust that is glowing blue from the reflected light of a bright,hot,young central star. The rest of the nebula is dark and is seen silhouetted against the surrounding stars. This nebula is around 6 light years across and is about 1300 light years from Earth in the constellation Cepheus | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / MPIA-HD, BIRKLE, SLAWIK |
Taille de l’image : | 3000 px × 3500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |