Pelican nebula. This is an emission nebula,a huge cloud of gas and dust that glows as the hydrogen it contains is ionised by radiation from the hot young stars that have formed within it. The nebula lies 1800 light years from Earth in the constellation Cygnus. Different colours represent different ionised gases; sulphur is red,hydrogen is green and oxygen is blue | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / J-P METSAVAINIO |
Taille de l’image : | 3602 px × 4863 px |
Model Release : | Non requis |
Property Release : | Non requis |
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