Review
Sep 2026
Peering Beyond the Veil of Last Scattering: A View of the Universe with CMB Spectral Distortions
The frequency spectrum of the cosmic microwave background is the most precise blackbody ever measured in nature, with deviations constrained at the level of almost one part per million from the COBE satellite. Nevertheless, departures away from a perfect blackbody are present in standard $\Lambda$CDM cosmology, lurking...
B. Cyr, N. Aghanim, E. Baker et al.
· 2 citations