Martian lakes (IMAGE) The University of Hong Kong Caption An example of a large, impact crater-hosted lake on Mars (a) and a small, permafrost-hosted lake on Mars. Both images show elevation data from the MOLA (Mars Orbiter Laser Altimeter) and HRSC(High Resolution Stereo Camera) instruments draped onto images from THEMIS (a) and CTX (b). Credit ESA/JPL/NASA/ASU/MSSS Usage Restrictions No restrictions. License Public Domain 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.