AWARE McMurdo Laser (IMAGE) University of California - San Diego Caption A High Spectral Resolution Lidar (HSRL) probes clouds and aerosols above the Second ARM Mobile Facility (AMF2) at McMurdo Station on Ross Island as the aurora australis phenomenon and Milky Way Galaxy illuminate the dark winter skies. Credit Photo credit: Joshua Swanson, United States Antarctic Program Usage Restrictions Please credit Joshua Swanson, United States Antarctic Program License Licensed content 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.