What is another word for cosmic background radiation?
Pronunciation: [kˈɒzmɪk bˈakɡɹa͡ʊnd ɹˌe͡ɪdɪˈe͡ɪʃən] (IPA) 
Cosmic background radiation refers to the electromagnetic radiation that is believed to be left over from the Big Bang, the event that is thought to have created the universe. Some synonyms for cosmic background radiation include cosmic microwave background radiation, CMB radiation, and relic radiation. This radiation can be observed in all directions in space and is thought to be a remnant of the intense heat and radiation that existed in the early universe. The study of cosmic background radiation is an important field in cosmology as it provides insight into the structure and origins of the universe and helps scientists to better understand the fundamental nature of the cosmos.
