Faint emissions of a cool flame (IMAGE) NASA/Johnson Space Center Caption Multiple images pulled from an intensified camera filtered to look for the very faint emissions of a cool flame during a run of the CFI-G experiment show the hot flame going out and a cool flame appearing. Credit NASA Usage Restrictions This image may only be used with appropriate caption or credit. 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.