Arsia Mons Elongated Cloud (IMAGE) Europlanet Caption This elongated cloud has formed as a result of wind encountering the Arsia Mons mountains. It forms almost every day during a specific season, from early morning until noon. Credit Credit: ESA/DLR/FU Berlin/A. Cowart. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.