Example image of eyePlorer eyePlorer map for 'Johann Karl Burckhardt': 1773 1825 April 30 Astronomer France Germany June 22 Mathematician Lunar theory Leipzig Franz Xaver von Zach Gotha Observatory Jérôme Lalande École Militaire Bureau des Longitudes Institut de France Comet Orbit Pierre-Simon Laplace Alexis Bouvard François Arago Jean Baptiste Joseph Delambre Johann Tobias Bürg Least squares Siméon Denis Poisson Squared deviations Ephemeris John Couch Adams The Nautical Almanac Peter Andreas Hansen Burckhardt (crater) Moon Great Comet of 1811 C/1702 H1 List of mathematicians (B) Dendera zodiac Burchard
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