[alt text: Panel demonstrates that the increased precision in Hubble constant calculations is related to an increase in the number and resolution of measurements.]
Graphic by Jen Christiansen (schematics); ESA and PLANCK Collaboration (Planck CMB); NASA and WMAP Science Team (WMAP CMB detail); Source: “The Carnegie-Chicago Hubble Program. VIII. An Independent Determination of the Hubble Constant Based on Tip o
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