dark matter: References & Edit History
More Articles On This Topic
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Article Contributors
Primary Contributors
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Adam Riess
Adam Riess is Thomas J. Barber Professor in Space Studies, Department of Astronomy and Physics, Johns Hopkins University and Distinguished Astronomer, Space Telescope Science Institute. He shared the 2011 Nobel Prize for Physics (with Saul Perlmutter and astronomer Brian Schmidt) for his discovery of dark energy.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Questions and answers added. | Feb 19, 2025 | ||
| Removed media. | Dec 15, 2021 | ||
| Updated percentages of baryonic dark matter, cold dark matter, and dark energy in the universe. | Dec 08, 2017 | ||
| Media added. | Apr 05, 2016 | ||
| Added video about dark matter. | Dec 03, 2015 | ||
| Updated age of universe from 13.7 to 13.8 billion years. | Jul 14, 2010 | ||
| Added pie chart of matter-energy content of the universe. | Apr 30, 2010 | ||
| New article added | Feb 18, 2009 |
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