Internal Coronagraphic Devices (IMAGE) NASA/Goddard Space Flight Center Caption Here is one possible solution for suppressing bright starlight with internal coronagraphic devices: a mask coated with carbon nanotubes fashioned to modify the pattern of diffracted light. Credit Credits: NASA/STScI 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.