Hubble constant: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: PNAS - Determination of the Hubble constant. Oct 01, 2026
Media added. Jul 28, 2026
Add new Web site: NASA - New Hubble Constant Measurement Adds to Mystery of Universe�s Expansion Rate. Apr 01, 2025
Add new Web site: National Center for Biotechnology Information - PubMed Central - The Hubble Constant. Feb 21, 2025
Add new Web site: UCSB Experimental Cosmology Group - Hubble�s Constant (PDF). Dec 27, 2024
Add new Web site: IOPscience - The Astrophysical Journal - The Hubble Constant: A Summary of the Hubble Space Telescope Program for the Luminosity Calibration of Type Ia Supernovae by Means of Cepheids. Nov 15, 2024
Add new Web site: ESO Sciences - Astronomy and Astrophysics - Evidence of a decreasing trend for the Hubble constant. Oct 03, 2024
Add new Web site: Harvard and Smithsonian - Center for Astrophysics - The Hubble constant. Jul 11, 2024
Add new Web site: University of Chicago News - The Hubble Constant, Explained. May 17, 2024
Add new Web site: Space.com - What is the Hubble Constant? Apr 05, 2024
Add new Web site: PNAS - Determination of the Hubble constant. Jan 12, 2024
Add new Web site: LiveScience - What is the Hubble Constant? Nov 29, 2023
Add new Web site: NASA Goddard Space Flight Center - Hubble Constant. Sep 21, 2023
Changed article title from “Hubble's constant” to “Hubble constant.” Article revised and updated. Jun 08, 2021
Article revised and updated. Nov 14, 2007
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: