Optical photograph of stars in the constellation of Bootes. The bright star at centre is Arcturus,or Alpha Bootes. A red giant,it is the fourth brightest star in the sky,& is located 36 light- years away. 35mm,f/3.5,Fuji 100 pushed 1 stop,10 min. exposure,13 April 1975,Ortega site | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sanford, John |
Taille de l’image : | 5125 px × 3412 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |