Cave nebula (Sharpless 155). 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 in the constellation Cepheus. Different colours represent different ionised gases; sulphur is red,hydrogen is green and oxygen is blue | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / J-P METSAVAINIO |
Bildgröße: | 5244 px × 3338 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |