EDP Sciences
Planck 2015 results
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Fig. 26


Constraints in the ΩmΩΛ plane from the Planck TT+lowP data (samples; colour-coded by the value of H0) and Planck TT,TE,EE+lowP (solid contours). The geometric degeneracy between Ωm and ΩΛ is partially broken because of the effect of lensing on the temperature and polarization power spectra. These limits are improved significantly by the inclusion of the Planck lensing reconstruction (blue contours) and BAO (solid red contours). The red contours tightly constrain the geometry of our Universe to be nearly flat.

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