Seasonal Flow of Water on Mars
Numéro d’image : 12631710
| Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water on contemporary Mars. The streaks are roughly the length of a football field. The imaging and topographical information in this processed, false-color view come from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter. These dark features on the slopes are called 'recurring slope lineae' or RSL. Planetary scientists using observations with the Compact Reconnaissance Imaging Spectrometer on the same orbiter detected hydrated salts on these slopes at Hale Crater, corroborating the hypothesis that the streaks are formed by briny liquid water. The image was produced by first creating a 3-D computer model (a digital terrain map) of the area based on stereo information from two HiRISE observations, and then draping a false-color image over the land-shape model. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / NASA / JPL / University of Arizona |
| Taille de l’image : | 4621 px × 2400 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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