Research project Hubble trouble
How fast is the universe growing in size?
A selection of measured values for the Hubble constant H_0 (in units of km/s/Mpc) as a function of the effective redshift z of the measurement method.
Measurements of the universe's expansion speed, the Hubble constant, give different results. We want to understand why.
In addition to the Hubble constant determining the size and age of our observable universe, an exciting explanation for why we get different values may be that our model of the universe is not complete and that there is new physics to discover.
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