Permanent historical factsheet

Cepheid Variables

Name: Cepheid Variables – United States of America factsheet records
Creator: World History Database

United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.

1Records

1923Date range

1Named people

1Places

Chronological records

1923

Edwin Powell Hubble1923

Mount Wilson Observatory · Science / Astronomy

Hubble identifies Cepheid variables in Andromeda and shows it lies beyond the Milky Way

Names involved

Edwin Powell Hubble

Provenance

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by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.