Jacobus Kapteyn (nonfiction): Difference between revisions
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Revision as of 19:21, 18 June 2019
Prof Jacobus Cornelius Kapteyn FRS FRSE LLD (19 January 1851 – 18 June 1922) was a Dutch astronomer.
He carried out extensive studies of the Milky Way and was the discoverer of evidence for galactic rotation.
Kapteyn was also among the first to suggest the existence of dark matter using stellar velocities as early as 1922.
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Jacobus Kapteyn @ Wikipedia