A frozen Apollo 17 sample (IMAGE) NASA/Goddard Space Flight Center Caption A frozen Apollo 17 sample being processed inside a nitrogen-purged glove box at NASA’s Johnson Space Center in Houston. The sample is one of many being studied as part of the ANGSA program. Credit Credits: NASA/Robert Markowitz Usage Restrictions No restrictions. License Public Domain 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.