cosmic microwave background
Recent Examples of cosmic microwave background from the Web
Right now there is an interesting discrepancy between the value of H0 measured by cosmic microwave background experiments (the early left-over light from the Big Bang) and the value measured from more recent supernovas (exploding stars).
In physics, a crucially important image is the cosmic microwave background radiation map, a kind of speckled blue orb, sprinkled with patches of yellow, and red streaks.
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First Known Use of cosmic microwave background
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