Comet. Hubble Space Telescope (HST) image of a comet,showing its coma (tail). The coma of a comet is an envelope surrounding its nucleus that is formed when the comet passes close to a star and parts of it sublimate (transition directly from solid to gas) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / DETLEV VAN RAVENSWAAY / JHU), M. Mutchler, and Z. Levay (STScI) / NASA, ESA, H. Weaver (APL |
Taille de l’image : | 4961 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |