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Spica: 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: IOPscience - The Astrophysical Journal - Line-Profilr Variability From Tidal Flows in Alpha Virginis (Spica). Sep 18, 2026
Add new Web site: IOPscience - The Astronomical Journal - Analysis of Spatial Structure of the Spica Hii region (PDF). Dec 02, 2025
Add new Web site: Harvard and Smithsonian - Center for Astrophysics - Understanding Spica. Aug 30, 2025
Add new Web site: IOPscience - The Astrophysical Journal - Line-Profilr Variability From Tidal Flows in Alpha Virginis (Spica). Feb 15, 2025
Add new Web site: EDP Sciences - Astronomy and Astrophysics - Spectral modelling of the Ξ± Virginis (Spica) binary system. Sep 09, 2024
Link added. Jun 11, 2024
Add new Web site: Sky and Telescope - Meet Spica, the Ear of Grain. Jan 02, 2024
Add new Web site: Space.com - Spica: The Close Binary. Oct 10, 2023
Add new Web site: The Planets - Spica Star - features and facts about alpha virginis. Jul 03, 2023
Add new Web site: The Nine Planets - Spica (Ξ± Virginis) Facts. Mar 29, 2023
Add new Web site: Academia - The polarization of the binary system Spica, and the reflection of light from stars (PDF). Jan 05, 2023
Changed visual magnitude from 0.98 to 1.04. Aug 23, 2010
Article revised and updated. Feb 20, 2009
Added new Web site: Department Astronomy of University of Illinois at Urbana Champaign - Spica. Jan 02, 2009
Added new Web site: The Dome of the Sky - Spica. Jan 02, 2009
Article revised and updated. Mar 09, 2007
Article added to new online database. Jul 20, 1998
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