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- Alan Fitzsimmons
Alan Fitzsimmons
perspectives
countries
organizations
- 1.Planetary Defense Coordination Office
- 2.Asteroid Watch
- 3.Catalina Sky Survey
- 4.European Space Agency
- 5.Howard Hughes Medical Institute
- 6.IMO Meteor Org
- 7.National Aeronautics and Space Administration
- 8.Queen's University Belfast
- 9.Science and Educational Media Group
- 10.University of Arizona