Cocoon Nebula (IC 5146), optical image. This nebula is located around 4000 light years from Earth, in the constellation of Cygnus. This is an emission nebula, a large cloud of gas and dust that glows due to the ionisation of its hydrogen gas by ultraviolet radiation from nearby stars. Photographed from the Alqueva Dark Sky Reserve in Portugal. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / MIGUEL CLARO |
Taille de l’image : | 5668 px × 3722 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |