Yellowstone National Park (IMAGE) NASA/Goddard Space Flight Center Caption Yellowstone National Park is outlined by red in each of the Landsat scenes. On the left is a true color image with vegetation shown in green. On the right, is the thermal image with higher heat emitted shown in white. Credit NASA's Goddard Space Flight Center 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.