Andromeda V1 Plate6 October 1923
Photographs M31 with the 100-inch Hooker telescope and records the star later recognized as Cepheid variable V1 on the famous VAR photographic plate.
World History Database · Biography facts · Archive · United States of America · Hubble · Edwin Hubble
Historical person
Edwin Hubble Biography
Historical biography and chronological timeline for Edwin Hubble, based on 3 World History Database records associated with United States of America.
3 records1923–19253 events2 places
Chronological biography
1923
1924
Cepheid Variables Confirmed in Andromeda1924
Identifies multiple Cepheid variables in M31 and uses their periods to demonstrate that Andromeda is far outside the Milky Way.
1925
Andromeda Extragalactic Result PresentedJanuary 1925
Presents the Andromeda Cepheid evidence to the astronomical community, establishing M31 as a separate galaxy and greatly enlarging the known scale of the universe.
Titles and roles
Astronomer
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.