sentence: The best measurements available -LRB- from WMAP -RRB- show that the data is well-fit by a Lambda-CDM model in which dark matter is assumed to be cold -LRB- warm dark matter is ruled out by early reionization -RRB- , and is estimated to make up about 23 % of the matter/energy of the universe , while baryonic matter makes up about 4.6 % .
question: what was _ measured _ _ _ ?
answers: Lambda-CDM