Star trails with Polaris in the center,photographed from Warrenton,Virginia. Because Polaris lies nearly in a direct line with the axis of Earth's rotation,it stands almost motionless in the sky. 30 minute exposure,Canon Rebel Xsi,ISO 400,.17mm Lens @ F4 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chumack, John |
Taille de l’image : | 7199 px × 4800 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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