Hourglass in space. Conceptual image of an hour- glass over a background of planets in a galaxy,to represent spacetime or space distances over time. An hour glass is an ancient instrument used to measure a fixed length of time by allowing a fixed quantity of sand to flow through a hole | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Agliolo, Mike |
Taille de l’image : | 3082 px × 4622 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|