Field of stars in the western part of the constel- lation of Cassiopeia. The photograph shows clearly the difference between hot young stars which gleam white,& older,cooler stars which appear yellow. 15 min. exposure,135mm lens at f/3.5,Fuji R100 film,SDAA site | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sanford, John |
Taille de l’image : | 3576 px × 2451 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |