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Today’s Cosmology
We live in a flat Universe (WMAP)
Universe is expanding at a rate of 70 km/sec/Mpc (HST and others)
Age of Universe is around 13.7 billion years (WMAP and others)
Dark matter makes up about 25% of the Universe (many sources)
Dark energy makes up about 70% causes the expansion to accelerate (Type 1a SNe)