Photograph of the solar disk,showing a large number of sunspots. The picture was taken a few months before the maximum in the 11-year cycle of solar activity. Sep 8,1989,1530 UT. 2",1/1000,f/25 + 2x + 1" spacer,Wr 12 filter | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sanford, John |
Taille de l’image : | 5135 px × 3461 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |