Rudolphine
Keplerian
Tychonic
Johan Kepler
Johannes Kepler
Kepler
Tycho Brahe
Brahe
Tycho
Nostradamus
Regiomontanus
Johann Muller
Muller
Gerhard Kremer
Gerardus Mercator
Mercator
almagest
Bessel
Friedrich Wilhelm Bessel
Friedrich Bessel
Copernican system
Huygenian
Aristarchus of Samos
pretelescopic
Galileo
astrostatistics
Galileo Galilei
Hipparchus
skytime
Mikolaj Kopernik
cosmographist
Michel de Notredame
Eddington
Sir Arthur Stanley Eddington
Eratosthenes
Arthur Eddington
Nicolaus Copernicus
Copernicus
Leibniz
Edmond Halley
astroinformatics
Leibnitz
Halley
Gottfried Wilhelm Leibniz
Edmund Halley
Gottfried Wilhelm Leibnitz
Alfonsine
Shapley
cosmochronometry
epoch
Harlow Shapley
Hypatia
Ptolemaic
date of reference
calendry
Sothic period
Plotinus
indiction
Prutenic
Newcomb
Simon Newcomb
Kastler
Bowditch
Horroxian
Nathaniel Bowditch
hemerology
Alfred Kastler
Anders Celsius
Maria Mitchell
Bougainville
Louis Antoine de Bougainville
Celsius
presolar
Mitchell
Pierre Simon de Laplace
Kepler's law of planetary motion
Pierre-Simon Laplace
Laplace
Kepler's law
Alhacen
Alhazen
al-Haytham
Al-Hasan ibn al-Haytham
Ibn al-Haytham
Marquis de Laplace
ephemeris time
Mercatorian
Niebuhr
chronometrically
Alphonsin
Claudius Ptolemaeus
Barthold George Niebuhr
Ptolemy
Barthold Georg Niebuhr
Peirce
Benjamin Peirce