Antarctica Sketch (IMAGE) University of Colorado at Boulder Caption This is a satellite image of Antarctica. Credit <a target="_blank"href="https://commons.wikimedia.org/wiki/Antarctica#/media/File:Antarctica_6400px_from_Blue_Marble.jpg">Wikipedia</a>, Public Domain Usage Restrictions None, <a target="_blank"href="https://en.wikipedia.org/wiki/Public_domain">Public Domain</a> 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.