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The 49 pages that link to Johannes Kepler, each with the reason it gives.

• Isaac NewtonRelated: Kepler’s orbital laws were key evidence for Newton’s theory of gravity.

• Galileo GalileiRelated: Kepler's orbital theory strengthened the astronomical case for heliocentrism.

• Scientific RevolutionBroader topic: His mathematical laws turned planetary data into a new account of celestial motion.

• PtolemyRelated: Kepler’s ellipses replaced the circles central to Ptolemaic and earlier planetary models.

• Newton's law of universal gravitationRelated: Kepler's orbital laws provided patterns that Newton explained through gravity.

• Celestial mechanicsRelated: His laws linked observed planetary paths to precise mathematical regularities.

• Tycho BraheRelated: Kepler used Brahe’s observations of Mars to derive the first two laws of planetary motion.

• Newtonian gravityRelated: Kepler's empirical orbital laws were among the phenomena Newton explained.

• Nicolaus CopernicusRelated: He replaced Copernicus’s circular orbits with a more accurate heliocentric theory.

• HeliocentrismRelated: His elliptical orbits made the heliocentric model more accurate and physically compelling.

• Copernican heliocentrismRelated: Kepler replaced Copernicus’s circles with elliptical orbits, improving the heliocentric model’s accuracy.

• Philosophiæ Naturalis Principia MathematicaRelated: Newton transformed Kepler’s empirical orbital laws into consequences of gravitational dynamics.

• Claudius PtolemyRelated: Kepler’s laws replaced the circular constructions central to Ptolemy’s planetary models.

• Refracting telescopeRelated: His convex-eyepiece arrangement produced a wider field than the Galilean design.

• Copernican RevolutionRelated: His orbital laws made heliocentric predictions substantially more accurate.

• Tychonic systemRelated: He inherited Brahe's observations and used them to develop a different system.

• De revolutionibus orbium coelestiumRelated: His elliptical orbits replaced the treatise’s commitment to combinations of circles.

• Optical telescopeRelated: His design enabled wider fields of view and became a basis for later refractors.

• UranometriaRelated: Kepler’s era shared the mathematical and observational changes that framed the atlas’s publication.

• BinocularsRelated: The Keplerian telescope's image-forming arrangement influenced astronomical binocular optics.

• Johannes HeveliusRelated: Kepler’s work shaped the mathematical astronomy practiced in Hevelius’s era.

• Sphere packingRelated: His conjecture identified the close-packed density later proved by Hales.

• History of calculusRelated: His practical methods for measuring curved solids pushed beyond classical geometry.

• Kepler's third lawRelated: He stated the period–distance relation in 1619, after analyzing planetary observations.

• Rudolf II, Holy Roman EmperorRelated: Kepler worked at Rudolf’s court and used Brahe’s observations to develop his astronomy.

• Rudolphine TablesRelated: Kepler compiled and published the tables, applying his planetary theory to Brahe’s data.

• Lunar theoryRelated: His work helped establish orbital methods later applied to lunar motion.

• Astronomical tablesRelated: Kepler’s tables showed how a revised theory could sharply improve predicted positions.

• Copernican systemRelated: Using Tycho’s observations, he replaced Copernicus’s circular planetary paths with ellipses.

• History of opticsRelated: His work helped establish geometrical optics as a quantitative science.

• Kepler's second lawRelated: He published the equal-area rule in 1609 as part of his account of planetary motion.

• Orbit of the MoonRelated: His orbital laws helped establish the mathematical framework later applied to lunar motion.

• University of TübingenRelated: He studied at Tübingen before becoming a leading figure in the Scientific Revolution.

• AstronomerRelated: He turned Tycho Brahe’s observations into a more accurate account of the planets.

• Kepler conjectureRelated: He proposed the close-packing bound in 1611 while considering how fruit sellers stack cannonballs.

• Kepler's first lawRelated: Kepler established the elliptical-orbit rule from astronomical data.

• Kepler's SupernovaRelated: He documented the 1604 supernova in his book De Stella Nova.

• LinzRelated: Kepler worked in Linz from 1612 to 1626 and published major astronomical work there.

• Star polygonRelated: Kepler classified regular star polygons and used them in his work on regular solids.

• Tommaso CampanellaRelated: Campanella defended Kepler after the condemnation of Galileo, linking philosophy to disputes over new astronomy.

• Transit of MercuryRelated: Kepler predicted the 1631 transit of Mercury, the first to be observed.

• Visible-light astronomyRelated: His account of planetary motion helped establish a mathematical framework for observations.

• History of classical mechanicsRelated: His laws gave Newton precise celestial phenomena that a theory of motion had to explain.

• Dermott's lawRelated: Kepler's laws connect orbital periods and orbital sizes, underpinning comparisons of satellite orbits.

• Discovery and exploration of the Solar SystemRelated: His elliptical orbits made the heliocentric model accurately predict planetary positions.

• History of the telescopeRelated: His 1611 design widened the field of view and became the standard refractor arrangement.

• Jost BürgiRelated: Kepler worked with Bürgi in Prague and used his mathematical and instrument-making expertise.

• Maria CunitzRelated: Cunitz’s work reworked calculations associated with Kepler’s astronomy.

• Triangulum AustraleRelated: He included Triangulum Australe in the 1627 edition of Tycho Brahe’s star catalog.