Comet Donati,artwork,1858. This long period comet was discovered by Giovanni Donati in June 1858. It reached its closest point to Earth at a distance of 0.5 AU ( half an astronomical unit,1 AU = 1 Earth-Sun distance) on 9 October of the same year. The comet's head was estimated to have a magnitude between 0 and -1 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Van Ravenswaay, Detlev |
Taille de l’image : | 3768 px × 2508 px |
Model Release : | Non requis |
Property Release : | Non requis |
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