Permanent historical factsheet

Cosmic Microwave Background

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

21Records
1948–1995Date range
10Named people
5Places

Chronological records

1948

Ralph Alpher1948

Applied Physics Laboratory · Science / Astronomy

Alpher predicts with Herman that the expanding universe should contain cooled remnant radiation

Robert Herman1948

Applied Physics Laboratory · Science / Astronomy

Herman predicts with Alpher that a relic radiation field should remain from the hot early universe

1950

Ralph Alpher1950

Applied Physics Laboratory · Science / Astronomy

Alpher refines predictions for the relic radiation temperature expected from a hot early universe

Robert Herman1950

Applied Physics Laboratory · Science / Astronomy

Herman refines the predicted relic radiation temperature and keeps the observational test in view

1961

Robert Henry Dicke1961

Princeton University · Science / Astronomy

Dicke revives interest in detecting relic radiation from a hot early universe

1964

Robert Henry Dicke1964

Princeton University · Science / Astronomy

Dicke organises a Princeton group to search experimentally for cosmic microwave background radiation

James Edward Peebles1964

Princeton University · Science / Astronomy

Peebles calculates theoretical implications of a relic radiation background for hot Big Bang cosmology

Arno Allan Penzias1964

Bell Telephone Laboratories · Science / Astronomy

Penzias detects unexplained microwave antenna noise that will be identified as cosmic background radiation

Peter G Roll1964

Princeton University · Science / Astronomy

Roll works with Wilkinson on an experiment to search for relic microwave radiation

David Todd Wilkinson1964

Princeton University · Science / Astronomy

Wilkinson helps build a radiometer intended to detect the predicted microwave background

Robert Woodrow Wilson1964

Bell Telephone Laboratories · Science / Astronomy

Wilson detects the same persistent microwave noise with the Holmdel horn antenna

1965

Robert Henry Dicke1965

Princeton University · Science / Astronomy

Dicke interprets the microwave background detection as relic radiation from a hot dense early universe

James Edward Peebles1965

Princeton University · Science / Astronomy

Peebles coauthors the interpretation paper connecting the microwave background to Big Bang cosmology

Arno Allan Penzias1965

Bell Telephone Laboratories · Science / Astronomy

Penzias publishes the measurement of excess antenna temperature from the cosmic microwave background

Peter G Roll1965

Princeton University · Science / Astronomy

Roll coauthors the interpretation of the microwave background as a cosmological relic

David Todd Wilkinson1965

Princeton University · Science / Astronomy

Wilkinson coauthors the Princeton paper explaining the cosmic microwave background result

Robert Woodrow Wilson1965

Bell Telephone Laboratories · Science / Astronomy

Wilson publishes the microwave excess with Penzias, providing decisive evidence for a hot early universe

1972

David Todd Wilkinson1972

Princeton University · Science / Astronomy

Wilkinson develops increasingly sensitive measurements of the microwave background

1974

George Field Smoot1974

Lawrence Berkeley Laboratory · Science / Astronomy

Smoot begins observational work on microwave background anisotropy with airborne and balloon instruments

1976

Rainer Weiss1976

Massachusetts Institute of Technology · Science / Astronomy

Weiss helps propose a satellite mission concept to measure the cosmic microwave background precisely

1995

George Field Smoot1995

Lawrence Berkeley Laboratory · Science / Astronomy

Smoot develops public and scientific interpretation of COBE anisotropies as seeds of cosmic structure

Names involved

Arno Allan PenziasDavid Todd WilkinsonGeorge Field SmootJames Edward PeeblesPeter G RollRainer WeissRalph AlpherRobert Henry DickeRobert HermanRobert Woodrow Wilson

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.