Yucatan Peninsula (IMAGE) Dartmouth College Caption An image of Mexico's Yucatan Peninsula shows a faint semicircle in the northwest, marking the underground portion of the Chicxulub impact crater, with the rest of the crater concealed beneath the Gulf of Mexico. The original image was taken from Space Shuttle Endeavour, February 2000. Credit NASA/JPL 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.