Earth from the moon (IMAGE) University of California - Riverside Caption Nitrous oxide is a constituent of Earth's atmosphere that provides evidence of life. This image represents a view of Earth from the moon. Credit NASA/Lunar Reconnaissance Orbiter Camera science team 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.