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Primordial Inflation Polarization Explorer 
Summary
Primordial Inflation Polarization Explorer (PIPER) is a high-altitude scientific balloon program designed to fly a millimeter-wave telescope for the purpose investigate the nascent stages of the universe.
The program is planned and funded by NASA's Goddard Space Flight Center, and being overseen by the astrophysicist Al Kogut. [1]
References edit
- ^ NASA’s Scientific Balloon Program Reaches New Heights