Walter Baade Biography

Historical biography and chronological timeline for Walter Baade, based on 5 World History Database records associated with United States.

5 records1934–19564 events3 places

Chronological biography

1934

Gravitational Lensing1934

Science / Astronomy · Astronomer · California Institute of Technology

Baade discusses possible astronomical consequences of gravitational lensing with Zwicky

1944

Stellar Populations Resolved in Andromeda1944

Science / Astronomy · Astronomer · Mount Wilson Observatory

Resolves different stellar populations in Andromeda and distinguishes young Population I stars from older Population II stars in galactic studies.

1952

Andromeda Distance Scale Revised1952

Science / Astronomy · Astronomer · Rome

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.

1954

Distance Scale1954

Science / Astronomy · Astronomer · Mount Wilson Observatory

Baade distinguishes stellar populations and revises Cepheid distances used in estimates of cosmic expansion

1956

Distance Scale1956

Science / Astronomy · Astronomer · Mount Wilson Observatory

Baades corrections help make the cosmic expansion rate more realistic for Big Bang timescales

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.