Linked from
The 16 pages that link to Sunyaev–Zel'dovich effect, each with the reason it gives.
Galaxy clusterRelated: It detects clusters through their hot plasma, including at great distances.
Cosmic webRelated: It helps detect hot gas in clusters and dense cosmic structures.
Thomson scatteringBroader topic: It uses the related scattering process to detect hot cluster gas.
Circumgalactic mediumRelated: It can measure the pressure of hot gas in massive galaxy halos.
Dark flowBroader topic: Its thermal component can obscure the much smaller motion-dependent signal.