LCDM Articles

July 27, 2015

Part 3: Important Cosmological Horizons and Distances A question that often comes up is: "how big is the observable universe?"The question…

July 24, 2015

Part 2: Time and Distance In Part 1 we have seen how one of the simplest ways of expressing the fractional expansion rate of the universe,…

July 19, 2015

If we restrict ourselves to a spatially flat LCDM universe model (and ignore the early radiation energy density), the first Friedmann equation…