Because we know the true luminosity of Cepheid variables, we can precisely calculate their distance ... The prevailing model of cosmology, called the lambda-CDM model (lambda for the cosmological ...
The idea that our universe was not static and could be expanding or contracting was first published by the physicist Alexander Friedman in 1922. He confirmed mathematically that the universe is ...
It arises from the fact that there are two ways to calculate the Hubble constant ... and our best model of this evolution, the Lambda Cold Dark Matter (Lambda CDM) or "the standard model of ...
It arises from the fact that there are two ways to calculate the Hubble constant at the ... and our best model of this evolution, the Lambda Cold Dark Matter (Lambda CDM) or "the standard model of ...
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