The Milky Way's Central Black Hole
Numéro d’image : 11644489
| Astronomers have tracked,for more than 18 years,the motions of several key stars at the very centre of the Milky Way galaxy,and have found that they follow very tight orbits around something very massive and yet invisible. The object is suspected to be a black hole weighing in at about 4 millions times the mass of the Sun. The closest star passes within just 90 astronomical units (AU) of the black hole,which is too small to be seen on the scale of this image. It is represented by the yellow dot. The inset shows a close-up of the black hole,surrounded by an accretion disc | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Garlick, Mark |
| Taille de l’image : | 5060 px × 3454 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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