Sachs-Wolfe Effect · gravitational fingerprints on the CMB
unseel.com · ΔT/T = Φ/3c² · l < 50 · 1967
Component ordinary SW
Scale l < 50
Beat
Dark-matter potential well (Φ)
Photon (CMB)
Cold spot (climbed out of well)
Hot spot (decaying well, ISW)
Unseel.com · Sachs-Wolfe Effect