Teenage Galaxy (image) University of Copenhagen Caption This is an example of a teenage galaxy. The white contours show the new measurements of carbon emissions, which have led to a drastic reassessment of the gas mass of these young galaxies. Credit Ivision et al. 2010 Usage Restrictions Ivision et al. 2010 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.