Australian Icebreaker (IMAGE) University of New South Wales Caption This image shows the Australia icebreaker, RSV Aurora Australis, from which samples of water in the Southern Ocean were taken at depths of up to 6 kilometers to study the marine microbes living there. Credit UNSW Usage Restrictions None 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.