Dark narrow streaks called recurring slope lineae emanating out of the walls of Garni crater on Mars. The dark streaks here are up to few hundred meters in length. They are hypothesized to be formed by flow of briny liquid water on Mars. The image is produced by draping an orthorectified (RED) image (ESP_031059_1685) on a Digital Terrain Model (DTM) of the same site produced by High Resolution Imaging Science Experiment (University of Arizona). Vertical exaggeration is 1.5. (NASA/JPL/University of Arizona) NASA/JPL/University of Arizona
Science
Video: NASA announces major Mars water discovery
Watch highlights from the NASA press conference, held at 11:30 a.m. ET
A Martian mystery is solved: Far from being an arid, freeze-dried desert, water, it seems, flows on Mars even today—that’s according to new research being presented in the journal Nature Geoscience. NASA told us more in a press briefing at 11:30 ET. Watch highlights of the event below.
Related: Mars appears to have flowing streams of salty water: NASA
Miss today's #MarsAnnouncement? Here's the highlights on evidence that liquid water flows on present-day Mars:
https://t.co/sFKSJo7VqD
— NASA (@NASA) September 28, 2015