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CMB Stage-4

(planned follow-on to mid-2010s CMB observations)

CMB Stage-4 (CMB-S4) is a planned follow-on to the ground-based cosmic microwave background observations of the mid 2010s, i.e., Atacama Cosmology Telescope (ACT) and the South Pole Telescope. It constitutes improvements at both their locations, the South Pole and the Atacama Desert.

(telescope,microwave,CMB,ground,South Pole,Chile)