Star trails. Time-exposure image of stars passing over a group of amateur astronomers during a Messier marathon observing competition in Iran's central desert. The brightest trails are made by the Moon and the planets Venus and Mercury (near the horizon). During a Messier marathon the astronomers attempt to view all 110 Messier objects,which were catalogued by the 18th century French astronomer Charles Messier,in one night | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tafreshi, Babak |
Taille de l’image : | 3508 px × 5053 px |
Model Release : | Non requis |
Restrictions : | - |