PIPER Telescope (IMAGE) NASA/Goddard Space Flight Center Caption Al Kogut, an astrophysicist at NASA Goddard, poses with one of the millimeter-wave telescopes for the Primordial Inflation Polarization Explorer (PIPER) balloon mission. Credit NASA's Goddard Space Flight Center/Bill Hrybyk 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.