Hale Bopp comet and observatories. These observatories are on the summit of Mauna Kea,Hawaii,USA. From left to right they are: Subaru Telescope,Keck 1 and Keck 2 telescopes,and NASA Infrared Telescope Facility. Hale Bopp was discovered on 23rd July 1995. It was visible to the naked eye for over 18 months between May 1996 and December 1997 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nunuk, David |
Taille de l’image : | 5147 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |