Advances in Astronomy / 2011 / Article / Fig 3

Review Article

Dark Matter: A Primer

Figure 3

The CMB Anisotropy Power Spectrum for various values of and (holding ) with WMAP year 7 data. The anisotropy power spectrum gives the level of temperature fluctuations on patches of various angular scales, where a spherical version of a Fourier transform gives multipoles , where roughly , with the angular scale in degrees.

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