https://research.manchester.ac.uk/en/studentTheses/primordial-spectral-distortions-originating-from-cosmological-per/
Primordial Spectral Distortions Originating from Cosmological Perturbations - Research Explorer The...
spectral distortionsprimordialoriginatingcosmologicalperturbations
https://www.kiss.caltech.edu/short-course/cosmic-microwave-background-spectral-distortions-from-the-early-universe/
Cosmic Microwave Background Spectral Distortions from the Early Universe - Kisskeck
Sep 28, 2026 - This short course will evaluate CMB spectral distortion constraints from ground, sub-orbital, and space experiments, and will explore the atomic lines from the...
cosmic microwave backgroundthe early universespectral distortions