Integrated Sachs-Wolfe ·
Dark Energy's Fingerprint
un
seel
.com · CMB photon · decaying well · ∂Φ/∂t ≠ 0
ΔT/T
0
well depth
100%
phase
—
CMB photon (cool)
Photon blueshifted (hot)
Gravitational well Φ
Dark energy flattens it
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.com · Integrated Sachs-Wolfe