Stellar Populations Resolved in Andromeda
Resolves different stellar populations in Andromeda and distinguishes young Population I stars from older Population II stars in galactic studies.
Historical biography archive · Updated 2026-11-03
Walter Baade Biography and Timeline
Follow Walter Baade through 2 dated historical records for United States.
Walter Baade, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1944–1952Years on this page
1944
1952
Andromeda Distance Scale Revised
Shows that two classes of Cepheid variables had been confused, leading to a major upward revision of the distance scale for Andromeda and other galaxies.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.