KnowraDiscovery of cosmic microwave background radiationLinked fromLinked fromThe 4 pages that link to Discovery of cosmic microwave background radiation, each with the reason it gives.All 4Broader topic 2Narrower topic 2Big BangBroader topic: This observation supplied powerful evidence for a hot early universe and undermined steady-state cosmology.Robert HermanBroader topic: The discovery confirmed the kind of background radiation Herman had anticipated.