单词	cosmic background radiation
释义	cosmic background radiation noun : background radiation Example Sentences Recent Examples on the Web The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 Jane listens to the crackle of white noise—cosmic background radiation—a faint reminder of the big bang. Seija Rankin, EW.com, 5 Jan. 2021 The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 The sparse pockets of space that contain little but cosmic background radiation, leftover energy from the formation of the universe, hover in at around 2.7 kelvin. Jennifer Leman, Popular Mechanics, 25 Sep. 2020 Researchers used telescope data to corroborate information about cosmic background radiation. Caroline Delbert, Popular Mechanics, 16 July 2020 See More Word History First Known Use circa 1976, in the meaning defined above
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