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The essential next step in understanding the origin of the Universe is the detection of the gravitational radiation that is a relic of Inflation. This cosmic gravitational wave background (CGB) is likely best detected via its signature in the polarization of the CMB.

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Photo of James Bock
James Bock
Astrophysics & Space Sciences
Photo of Brendan Crill
Brendan Crill
Origin of the Universe - Deputy Program Chief Technologist, NASA Exoplanet Exploration Program
Photo of Olivier Dore
Olivier Dore
Origin of the Universe