Adam Guy Riess2009
Riess improves the Hubble constant measurement, reducing the range of dark-energy models allowed when local expansion data are combined with early-universe observations.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Riess improves the Hubble constant measurement, reducing the range of dark-energy models allowed when local expansion data are combined with early-universe observations.
This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.