Timelapse footage of star trails over Devils Tower, in Wyoming, USA. Star trails are formed on long exposure photographs by the apparent movement of the stars caused by the rotation of the Earth. The axis of rotation is close to the pole star, Polaris, just out of frame at top left. Filmed in spring. | |
Licence : | Libre de droits |
Crédit : | Science Photo Library / Warner, Tom / Weathervideohd.tv |
Model Release : | Non requis |
Durée : | 59 Secondes |
Aspect ratio : | 16/9 |
Restrictions : | - |