Cosmic Microwave Background Data Analysis At NERSC. Julian Borrill with Christopher Cantalupo Theodore Kisner. What Is The CMB ?. Cosmic - filling all of space. Microwave - redshifted by the expansion of the Universe from 3000K to 3K.
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Cosmic - filling all of space.
Microwave - redshifted by the expansion of the Universe from 3000K to 3K.
Background - primordial photons coming from “behind” all astrophysical sources.
A snapshot of the Universe when it first became neutral 400,000 years after the Big Bang.
The CMB is a unique probe of the very early Universe.
Its tiny (1:105-8) fluctuations carry information about
- the fundamental parameters of cosmology
- ultra-high energy physics beyond the Standard Model