Cygnus X-1 black hole candidate
Numéro d’image : 11885906
| Black hole. Artwork of the Cygnus X-1 system,thought to contain a black hole. The system comprises a blue giant star (right) and a small dense object that accretes matter from the star. This object is a powerful emitter of X-rays,due to being heated to extremely high temperatures in the accretion disc. Its mass and X-ray emission both suggest it is a black hole,but no definitive answer has been found. A black hole is a region of space in which the gravitational field is so strong that even light cannot escape. They are thought to form in supernovae,the explosive deaths of massive stars. Cygnus X-1 is around 82,000 light years away | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / DAVID A. HARDY, FUTURES: 50 YEARS IN SPACE |
| Taille de l’image : | 2953 px × 2439 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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