Nebulae,artwork. A nebula is a large cloud of gas and dust in space,often many light years across. Emission nebulae (pink) have been ionized by nearby stars until the hydrogen gas they contain glows red. Reflection nebulae (white) reflect starlight. Nebulae can undergo gravitational collapse to form stars and planets | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Van Ravenswaay, Detlev |
Taille de l’image : | 5315 px × 3898 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |