Terry Hurford, NASA/Goddard Space Flight Center (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption Principal Investigator Terry Hurford poses with a 21-inch-diameter mirror originally built for a telescope that helped calibrate an engineering test unit of the Cassini Composite Infrared Spectrometer (CIRS). A CIRS team member found the mirror and Hurford is now repurposing it for the OPIS project. Credit NASA Goddard/Bill Hrybyk Usage Restrictions None Share Print E-Mail 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.