Tycho and Kepler

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by Kitty Ferguson


  Pippard, Brian. Science: A Physicist’s View. Unpublished paper.

  Porter, Neil A. “Kepler.” In Physicists in Conflict. Bristol, England and Philadelphia: Institute of Physics Publishing, 1998.

  Rosen, Edward. Three Imperial Mathematicians: Kepler Trapped between Tycho Brahe and Ursus. New York: Abaris Books, 1986.

  Schmidt, Justus. Johann Kepler, sein Leben in Bildern und eigenen Berichten. Linz: Rudolf Trauner Verlag, 1970. Contains extensive portions of Kepler’s “Selbstcharakteristik” (1597) and other personal writings, under the title “Heimat.” Material that I have used from this source has been translated into English with the help of Karoline Krenn of the Universität Salzburg.

  Stephenson, Bruce. Kepler’s Physical Astronomy. New York: Springer-Verlag, 1987.

  ———. The Music of the Heavens: Kepler’s Harmonic Astronomy. Princeton, N.J.: Princeton University Press, 1994.

  Thoren, Victor. The Lord of Uraniborg: A Biography of Tycho Brahe. Cambridge: Cambridge University Press, 1990.

  ———. “New Light on Tycho’s Instruments.” Journal for the History of Astronomy 4 (1973): 25–45.

  Voelkel, James R. Johannes Kepler and the New Astronomy. New York/Oxford: Oxford University Press, 1999.

  Wilson, Curtis. “How Did Kepler Discover His First Two Laws?” Scientific American 226 (March 1972): 92–106.

  PICTURE ACKNOWLEDGEMENTS

  Astronomiae Instauratae Mechanica, Wandesburgi, 1598: in the Color Plate Section – Mural quadrant, Uraniborg elevation drawing, Uraniborg garden plan, Stjerneborg.

  Yale Ferguson: in the Color Plate Section – Chapel of the Magi, Benatky Castle. Black & white illustrations – Tycho Brahe statue, Golden Griffin, Tycho Brahe tomb.

  Fredriksborgmuseet, Denmark: in the Color Plate Section – Portrait of Frederik II, Portrait of Christian IV. Black & white illustrations – Henrik Hanson painting of Uraniborg.

  Owen Gingerich: Figure 12.1 Great Conjunctions drawing from Mysterium.

  Kunsthistorisches Museum, Wien: in the Color Plate Section – Portrait of Rudolf II.

  Landesbildstelle Würtemberg Stuttgart: Black & white illustrations – Weil der Stadt, Kloster Adelberg, Portrait of Michael Mästlin.

  Museum of the Russian Academy of Sciences, St. Petersburg: in the Color Plate Section - Wedding medallions of Johannes and Barbara Kepler.

  Nationalgalerie, Prague: in the Color Plate Section – Prague riots.

  Per Remberg and Johan Runeberg: Figure 7.1 Floorplan of Hven; Figure 8.2 Stjerneborg.

  Prämonstratenserkloster in Strahov, Prague: in the Color Plate Section – Great Globe, Portrait of Tycho Brahe.

  Sternwarte Kremsmünster: in the Color Plate Section – Portrait of Johannes Kepler.

  Henrik Wachtmeister: in the Color Plate Section – Knutstorps Borg (modern and 16th century).

  INDEX

  Listed here are the names and terms that appear in the index in the print version of this book. Please use the search function on your reading device to find them in this ebook.

  In this index, TB is used for Tycho Brahe and JK for Johannes Kepler.

  Adelberg

  Alchemical laboratory (TB)

  Alchemy

  Alfonsine Tables

  Alidade

  Angular distance

  measuring

  Apollonius

  Approximating ellipse

  Apsidal line

  Archimedes

  Architectural theory

  Area rule

  Aristarchus of Samos

  Aristotelian philosophy/cosmology

  Aristotle

  Armillaries

  Astrological meteorological almanac

  Astrology

  TB

  conjunctions in

  JK

  nova in

  Rudolph and

  Astronomers

  Astronomy

  academy for

  instruments for new

  models of

  new

  vocabulary of

  see also Brahe, Tycho, astronomy; Copernican astronomy/system; Kepler, Johannes, astronomy; Observations (TB)

  Azimuth measurement

  Azimuth quadrants

  Baade, Walter

  Bär, Nicolaus Reimers (Ursus)

  book by

  book by, banned

  TB campaign to destroy

  imperial mathematician

  JK’s letter praising

  JK writing against

  left Prague

  plagiarism

  proceedings against

  threat of

  Barvitius, Johannes

  Benatky Castle

  JK at

  moving instruments to

  remodeling

  Bille, Steen

  Bille family

  Bohemia

  Protestant revolution in

  Brahe, Axel

  Brahe, Beate Bille

  Brahe, Elisabeth

  Brahe, Georg

  Brahe, Inger Oxe

  Brahe, Jørgen (brother of TB)

  Brahe, Jørgen (uncle of TB)

  Brahe, Knud

  Brahe, Magdalene

  Brahe, Otte

  death of

  Brahe, Sophie

  Brahe, Steen

  Brahe, Tycho

  abduction

  astrology

  astronomy

  attitude toward Copernicus

  birth, childhood

  books

  books: gift copies

  brothers

  campaign to destroy Ursus (Bär)

  campaign to restore honor and position

  care for family

  career

  castle-observatory

  change in temperament

  children

  children: deaths

  children: future of

  children: marriage for daughter(s)

  children: moving

  common-law marriage to Kirsten Jørgensdatter

  death and funeral

  decision to stay in Denmark

  disappointment in his science

  education

  false nose

  financial situation

  Great Conjunction of

  heirs of

  Hven

  immortality

  inheritance

  and JK

  JK responsibility for unfinished work of

  JK scientific heir to

  left Copenhagen

  library

  move into exile

  moving instruments to Benatky

  name

  personal characteristics

  physical appearance

  plans to emigrate

  portrait

  posthumous works

  and problem of Mars

  problems

  publishing manuscripts

  relationships

  reputation

  in Rudolfine Tables frontispiece

  and scholarly community

  scholarly future of

  scholarly work

  seeking royal patronage

  self-image

  statue of

  status

  system of, plagiarized by Bär

  tomb

  twin brother

  university lectures

  worldview

  writings by

  see also Observations (TB)

  Brahe, Tycho (son)

  Brahe family

  and TB’s marriage

  JK conflict with

  reputation of

  Calendars

  JK

  Calvin, John

  Calvinism/Calvinists

  Canonry

  Cassini, Gian Domenico

  Catholicism/Catholics

  forced conversions to

  tension with Lutherans

  Celestial equator

  Celestial events

  influence on life on Earth

  Celestial sphere

  p
ositions of circles on

  rotation of

  Chapel of the Magi

  Christian, Prince (King Christian IV)

  Christian (king)

  TB appeal to

  marriage

  Christian III, King

  Circles

  area of

  Comet(s)

  TB and

  TB’s book on

  Compasses, pair of

  Conjunction(s)

  Jupiter and Saturn

  Moon and Mars

  Copenhagen

  TB move to

  religious conflict

  Copernican astronomy/system

  compromise with Ptolemaic

  correctness of

  difference from Ptolemaic

  eccentric planetary orbits

  JK and

  literal acceptance of

  planetary movement in

  planetary orbits in

  rejection of

  and Scripture

  Sun-centered

  support for

  Copernican revolution

  Copernican tables

  see also Prutenic Tables

  Copernicus

  TB heir to

  Earth orbit

  mathematical theories of

  planetary distances

  Cosmology

  Aristotelian

  Cosmos

  Counter–Reformation

  Craig, John

  Cross staff/radius

  Crystallography

  Cube

  Cylinder

  Dançey, Charles de

  Dante

  Deferent(s)

  Denmark

  TB leaving

  TB position in

  courtship and marriage customs

  government

  law codes

  religious conflict

  wars

  Descartes, René

  Distance, inverse of

  Distance rule

  Diurnal parallax

  Dybvad, Jørgen

  Earth

  axis of rotation

  behaves like planet

  center

  controversy regarding movement of

  decaying nature of

  influence of planetary movements on

  moving

  orbit

  “planet-moving force,”

  rotation of

  stability of

  unmoving

  Eccentric/eccentricity

  Eccentric orbit(s)

  center of

  Mars

  see also Planetary eccentricities

  Eclipse of Moon

  Eclipses

  lunar

  solar

  Ecliptic

  Einhorn, Lutherus

  Ellipse

  Elliptical orbit

  Mars

  Ephemerides

  Ephemeris

  Epicycle

  Equant

  Euclid

  Eye(s), function of

  Fabricius, David

  Ferdinand II, Archduke

  Fiefs

  offered to TB

  transfer of

  Flemløse, Peter Jacobsen

  Frankfurt Book Fair

  Frederick, King (Frederick II)

  TB finding experts for

  TB relations with

  TB’s report on comet to

  death of

  marriage

  offered fiefs to TB

  and religious conflict

  support for TB’s work

  support for scientific research

  Free will

  Friis, Christian

  Frobenius, Georg Ludwig

  Galileo

  clash with pope

  discovery of planets

  telescope

  Gassendi, Pierre

  Gemperle, Tobias

  Geometry

  and geometric harmony

  and musical harmony

  Globe

  Gnesio-Lutherans

  God

  creation of universe

  designing universe

  geometric logic of

  logic and harmony of creation

  reasoning of

  Gravity

  Graz, Styria

  JK in

  JK required to leave

  Kepler family in

  Protestants expelled from

  religious situation in

  threat to JK in

  Great Conjunctions of Jupiter and Saturn

  Hagecius, Thaddeus

  Hainzel, Paul

  Half-sextant

  Hapsburg family

  Harmonic law

  Harmonic ratios

  Harmonic theory

  Harmony

  Heavenly movement

  Ptolemy’s model of

  Heliocentric longitudes

  Hemmingsen, Niels

  Herrevad Abbey

  Hexagon

  Hipparchus

  Hoffmann, Johann Friedrich

  Holy Roman Emperor

  Holy Roman Empire

  Horizon

  Horoscopes

  by TB

  by JK

  Hven

  Brahe children could not inherit

  TB left

  center point

  changes

  Christian at

  instruments at

  new charter for

  map of

  peasants

  visitors to

  Inertia

  Instruments

  Instruments (TB)

  at Benatky

  Copenhagen observatory

  JK responsibility for

  metal

  more precise and powerful

  moving

  moving to Benatky

  moving to Copenhagen

  moving to Prague

  payment for

  at Stjerneborg

  at Uraniborg

  Integral calculus

  Inverse square law

  Inverse square law of light

  Jesensky, Jan

  Jørgensdatter, Kirsten

  and death of TB

  status

  Jupiter

  conjunction with Saturn

  moons of

  Kepler, Barbara Müller

  bad health and depression

  death of

  inheritance

  left Graz

  married JK

  Kepler, Christoph

  Kepler, Heinrich (brother of JK)

  Kepler, Heinrich (father of JK)

  Kepler, Heinrich (son of JK)

  Kepler, Johannes

  agreement with Tengnagel

  allowed to return to Graz

  astronomy

  book by, sent to TB

  books

  and TB

  on TB

  career

  children

  children: deaths

  contractual arrangement with TB

  death of

  and death of TB

  district mathematician

  early life

  education

  financial situation

  and Galileo

  imperial mathematician

  letter praising Ursus

  library

  marriage arrangements

  marriage to B. Müller

  marriage to S. Reuttinger

  and mother’s witchcraft trial

  personal characteristics

  portrait

  problem of Mars

  provincial mathematician

  questions asked by

  required to leave Graz

  responsibility for completion of unfinished work of TB

  status

  teaching in Graz

  threat to, in Graz

  worldview

  Kepler, Katharina

  accused of witchcraft

  Kepler, Margarethe (later Binder)

  Kepler, Sebald

  Kepler, Susanna Reuttinger
/>
  Kepler family

  Kepler’s Star

  Knieper, Hans

  Knutstorp

  Knutstorps Borg (castle)

  Lange, Erik

  Laubenwolf, George

  Liddell, Duncan

  Light

  inverse square law of

  Light rays

  Linz

  religious conflict in

  Logarithms

  Longomontanus

  and JK contract

  left TB

  moving instruments

  and problem of Mars

  work on lunar theory

  work on Mars observations

  Lunar eclipses

  Lunar theory (TB)

  Luther, Martin

  Lutheranism/Lutherans

  action against,

  division in

  tension with Catholics

  Magdeburg

  Magnetic hypothesis

  Magnetism

  Mars

  conjunction with Moon

  distance from Earth

  oppositions

  orbit

  orbit: JK work on

  parallax

  see also Mars observations; “Problem of Mars”

  Mars observations

  JK and

  JK surrendered to Tengnagel

  JK use of/work on

  and mathematical theory

  Mästlin, Michael

  appeals to

  JK visited

  and JK’s book

  optics problem

  Mathematical harmonies

  Mathematics

  of Copernicus

  different from physics

  JK

  Mathematical/geometric logic

  observations and

  Matthias (emperor)

  Melanchthon, Philipp

  Mercury

  orbit

  Milky Way

  Moon

  conjunction with Mars

  motion of

  orbit

  parallax shift

  and tides

  Müller, Regina

  death of

  Mural quadrant

  Music

  Musical intervals

  Musical ratios

  Napier, John

  Nature

  harmonic ratios in

  pattern, logic, harmony in

  Newton, Sir Isaac

  Nicholas of Cusa, Cardinal

  North celestial pole

  North Pole

  Nova

  TB book about

  parallax shift

  positions of

  Observation, and theory

  Observations (TB)

  astronomical tables based on

  comet

  in Copernican revolution

  from Hven

  JK access to

  JK took charge of

  JK use of/work on

  records of

  see also Mars observations

  Odometer

  Opposition

  Mars

  Optics

  Osiander, Andreas

  Oval

  Ovid

  Oxe, Peder

  Oxe family

  Palladio, Andrea

  Parallax shift

  comet

  Mars

  Parsberg, Manderup

  Peace of Augsburg

  Pedersen, Rasmus

  Pentagon

  Perfect solids

  Perihelion

  Philippists

  Physical reasons/explanations

  for eccentricities

  need for

  search for

 

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