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XMM-Newton: References & Edit History
Article Contributors
Primary Contributors
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Erik Gregersen
Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. Before joining Britannica in 2007, he worked at the University of Chicago Press on the Astrophysical Journal. Prior to that, he worked at McMaster University on the ODIN radio astronomy satellite project.
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Article History
Type | Description | Contributor | Date |
---|---|---|---|
Article revised and updated. | Oct 28, 2019 | ||
Invalidated site: XMM Guest Observer Facility at GSFC. | Mar 18, 2019 | ||
XMM-Newton's mission extended until 2016. | Jun 05, 2015 | ||
Add new Web site: European Space Agency - Science and Technology - XMM-Newton. | Sep 06, 2013 | ||
Add new Web site: National Aeronautics and Space Administration - XMM-Newton. | Aug 29, 2011 | ||
Mission extended until 2014. | Feb 08, 2011 | ||
Added image of XMM-Newton spacecraft. | Mar 02, 2010 | ||
New article added. | Mar 02, 2010 |
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