Abyla and Calpe, see Gibraltar, strait of
aether 17, 20, 26, 32, 398
Albergotti, Ulisse 72, 406
Ammannati, Giulia, see Galilei family
Antichthons 188, 415 Anti-Tycho 173–4, 179–80, 414
Apelles (pseudonym of Christoph Scheiner) xvii, 33–47
Aquinas, Thomas, Saint: Commentary on Job 81, 407
Archimedes viii, 71, 74, 406
On the Spirals 247, 417
Archytas 228, 416
Ariosto, Ludovico: Orlando furioso 115, 245, 341, 411, 422
Aristarchus of Samos 71, 97, 308
Aristotle 62;
held heavens to be incorruptible vii–viii, 48–51, 127, 133, 208–10, 403;
and elemental world subject to generation and corruption 50–1, 158–65, 168–71, 180–3;
gave primacy to evidence of the senses 152, 172, 177;
would modify his view if he had the benefit of more recent observations 51–2, 171;
reputed to have drowned himself in despair at his inability to explain the tides 326, 341, 421;
WORKS: On Generation and Corruption 161, 414;
On the Heavens 71, 97, 127, 405, 412, 413, 414, 419;
Metaphysics 418;
Meteorology 400;
Physics 413;
Mechanics (Mechanical Questions) attributed by G to Aristotle 240, 314, 417; see also motion
Arrighetti, Niccolò 55, 403
Aselli (stars) 27, 400
assertions, handbook of, see Clementi, Clemente
Augustine of Hippo, Saint: On the Literal Meaning of Genesis 61–2, 69–70, 76, 79–80, 84–7, 90, 113, 404;
Letter to Marcellinus 405
Avila, Bishop of, see Tostado, Alfonso
Badouère, Jacques 8, 397
Barberini, Maffeo, Cardinal, see Urban VIII, Pope
Baronio, Cesare, Cardinal xviii, 70, 405
Bellarmine, Robert, Cardinal xix, xx, 365–8, 408, 410, 423–4;
letter to Foscarini 94–6, 366;
statement given to G (May 1616) 367, 370, 373–5
Bible xviii, xx, 55–61, 61–94, 108–10, 184;
compatible with Copernican theory but not with Ptolemaic 60–1, 90–3;
see also Hezekiah, Joshua, Moses, Solomon
Black Sea 329
Boethius 74, 406
Borgia, Gaspare, Cardinal xxv, xxvi
Borro, Girolamo 420
Bosphorus 329
Brahe, Tycho xi, 115, 173, 254, 266, 396, 400, 409, 414
Caccini, Tommaso xviii, 404
Caesar, Julius 3, 394
Cajetan (Thomas de Vio) 93, 408
Capra, Baldassare xi
Capua, Cardinal of, see Nikolaus von Schönberg
Castelli, Benedetto xviii, 47, 55, 402, 403
Cecco di Ronchitti (pseudonym of G) xi
Cesi, Federico, Prince xvi, 402, 408; see also Lincean Academy
Chiaramonti, Scipione (author of Anti-Tycho) 414
Christina of Lorraine, see Medici family
Ciampoli, Giovanni xviii, xxiv–xxvi
Cicero 71;
Academica 406;
Letters to his Friends 371, 424
Clavius, Christopher viii, 400, 406
Clementi, Clemente: An Encyclopedia Explained and Defended . . . (‘handbook of assertions’) 257, 418
Cleomedes 216, 416
clouds 213–14;
not found on the Moon 225;
sunspots similar to 40–3
colure, solstitial 352, 422
comets xxi, 4, 117, 173
conclusions, book of, see Locher, Johann Georg
Congregation of the Index xx, xxix, 110, 124, 366, 374, 407, 411
Copernican theory: abjured by G 375–8;
compatible with miracle of Joshua 58–61;
endorsed by G x, xvii, xxiii, 62, 394;
declared erroneous by the Holy Office xix–xx, 361, 370;
evidence in favour 31, 54, 77, 115–16, 125, 356–7;
as a hypothesis xix, 94, 97, 99–107, 124–5, 361, 366
Copernicus, Nicolaus xiii, xvii, xviii, 37, 60, 63, 71, 82, 89, 96–107, 110–14, 115, 122–3, 306–8, 346, 349, 355, 357;
On the Revolutions of the Heavenly Spheres x, xx, 64–5, 266, 406, 407, 409, 410;
placed on Index of Proscribed Books xx, 124, 411;
unsigned preface (by Andreas Osiander) 105–7, 410
Councils of the Church 65, 83, 89;
Council of Trent 84, 95, 110, 111, 407, 410
Cremonini, Cesare 164, 412, 419
Dante Alighieri 417;
G’s lectures on geography of Inferno viii
de Dominis, Marcantonio 420
deferents 40, 396–7, 421
delle Colombe, Ludovico xiv, 406
del Monte, Francesco Maria, Cardinal xvi
del Monte, Guidobaldo, Marchese viii
Demosthenes 175, 414
Didachus of Stunica (Diego de Zuñiga): Commentaries on Job 83, 407
Dionysius the Areopagite 84, 90, 407, 408;
On the Divine Names 91, 408
Dog Star, see Sirius
Dominican order xviii, xxiv, xxvii, 360, 367, 372, 402, 404
Earth: combined daily and annual motions as cause of tides 319–24, 338–54;
as observed from a great distance 41;
from the Moon 187;
reflects light from the Sun xii, 41;
partakes in annual revolution of planets around the Sun 306–7;
rotates daily on its axis 307
eccentrics and epicycles 40, 94, 102, 104, 110, 349, 397, 402, 421
eclipses 21, 191, 216–19, 350
ecliptic 22, 347, 350–2, 399, 401, 421;
declination of 103, 409
Ecphantus of Syracuse 97, 409
elements (earth, air, fire, water) 133, 337, 413; see also Aristotle
Elsevier, Louis xxviii
equants 40, 402
Euclid 74
Fabricius, Johann 402
Fathers of the Church xx, 64, 68, 74, 75, 78–87, 89, 95, 109–10, 111–13
Ferrari, Antonio (Galateo) 420
Foscarini, Paolo Antonio xix, xx, 94, 408
Fossombrone, Bishop of, see Paul van Middelburg
François de Aguilon 416
Galaxy, see Milky Way
Galen 74, 406
Galilei family: Giulia Ammannati (mother of GG) vii;
children of GG xi;
Marina Gamba (common-law wife of GG) xi;
siblings of GG ix;
Vincenzio (father of GG) vii, ix
Galilei, Galileo: birth vii;
enrolment at Pisa University viii;
lecturer in mathematics at Pisa viii;
chair of mathematics at Padua ix;
military and geometrical compass xi;
telescopes xii;
projected works (1610) xiii;
mathematician and philosopher to Grand Duke of Tuscany, and tutor to Cosimo de’ Medici xiii–xiv, 4;
trial xxvi–xxviii, 360–78;
blindness xxix;
death xxix;
WORKS: Little Balance viii;
essay on motion ix;
Sidereal Message vii, xii, xiv, 1–32, 393, 395–6, 404, 410, 418;
Letters on the Sunspots xvii, 33–55, 91, 176, 194, 404, 410, 411, 415;
Letter to Benedetto Castelli xviii, 55–61;
Letter to the Grand Duchess Christina xviii, 61–94;
Observations on the Copernican Theory 96–114;
Discourse on Comets (published under name of Mario Guiducci) xxi;
Assayer xxi, 115–21, 194, 337, 415;
Dialogue on the Two Chief World Systems xix, xxii–xxvi, 21, 23, 32, 122–359, 396, 401;
and circumstances of printing xxiv–xxvi, 360–4, 368–9, 411, 423;
and earlier provisional titles (System of the World, Discourse or Dialogue on the Tides) xix, 398, 412;
Two New Sciences xxviii–xxix, 247, 285, 359, 379–92, 417; see also Lincean Academician
Gamba, Marina, see Galilei family
Gibraltar, strait of 170, 316–17, 414
Giese, Tiedeman (Bishop of Kulm) 64, 101, 405, 409
Gilbert, William: On the Magnet 97–8, 409
Giordano, Paolo 55
Gonzaga, Ferdinando, Cardinal xvi
Grassi, Orazio: Astronomical and Philosophical Balance xxi, 411; see also Sarsi
Guiducci, Mario xxi, 115, 411
heavens, held to be incorruptible, see Aristotle
Henry IV, King of France xv, 394
Heraclides of Pontus 71, 97, 397
Hercules 3
Hezekiah: miracle of sundial 84, 407
Hicetas 71, 97, 406
Hipparchus 399
Holy Office (Inquisition) xix, xxvi–xxviii, 360–1;
injunction forbidding G to promote Copernican theory (February 1616) 361, 363–4, 367–9, 373, 423–4
Homer 296;
Iliad 115
Horace: Odes 394;
Ars poetica 296, 418
Horky, Martin xiv, 406, 416
horned argument (‘liar’s paradox’) 162, 414
horoscopes 97, 409;
of Grand Duke Cosimo II 4, 395
Huygens, Christian xv
Inchofer, Melchior xxvi
Index of Proscribed Books, see Congregation of the Index
Inquisition, see Holy Office
Jerome, Saint: Letter to Paulinus 73, 406;
On Jeremiah 81, 407
Jesus, Society of (Jesuits) viii, xvi–xvii, xxi, 402, 405
Josephus 84
Joshua: miraculous halting of Sun’s motion 55, 58–61, 84, 89–93, 403, 404
Jupiter 3, 140, 305, 394, 395;
satellites (‘Medicean stars’) xiii, xx, 4, 8, 27–32, 44, 72, 104, 346, 397, 400, 401, 410
Kepler, Johann x, xiv, 98, 356, 409;
on orbit of Mars 422;
Cosmographic Mystery x;
Astronomia Nova 401, 410, 422
Kulm, Bishop of, see Giese, Tiedeman
Lactantius 65, 405
Leo X, Pope, 63
Leonardo da Vinci 155
light: irradiation 199–200;
reflection 195–207;
visual rays 205–7, 415
Lincean Academy xvi, xvii, 357;
Lincean Academician (G) 139, 148, 188, 247, 346, 359, 385, 413
Locher, Johann Georg: A Mathematical Discourse . . . (‘book of conclusions’) 216, 416
longitude xx
Lorini, Niccolò xvii, xviii
Macrobius 216, 416;
Saturnalia 412
Maculano, Vincenzo xxvii, 364, 372, 423–4
Madagascar 327
Magalhães, Cosme de 93, 408
Magellan strait 328, 330
Magini, Giovanni Antonio viii, xiv
Malapert, Karl 395
Mars 3;
orbit 304–5;
not fully understood 349, 422;
variations in apparent size 77, 104, 115, 301–2
Marsili, Cesare 357, 422–3
Master of the Sacred Palace see Riccardi, Niccolò
Mayr, Simon xi
Medicean stars, see Jupiter, satellites
Medici family: Don Antonio 55, 403;
Christina of Lorraine, Grand Duchess, later Dowager Grand Duchess (‘Madame’) xviii, 55, 61, 403;
Cosimo I, Grand Duke 393, 394;
Cosimo II, Grand Duke xi, xiii, xvi, 3, 55, 393, 403;
Ferdinand I, Grand Duke xiii, 393, 403;
Ferdinand II, Grand Duke 122, 411;
Giuliano, Tuscan Ambassador in Prague xv, xvi;
Maria (Marie de Médicis), Queen of France xv, 394;
Maria Maddalena, Archduchess 55
Mercury 3, 8, 34, 36, 38–40, 45–6, 50, 104, 304, 396
Messina, strait of 312, 327, 329–30, 335, 420
Michelangelo Buonarroti 227, 230, 416
Milky Way (also Galaxy) xii, 7, 26, 400
mirrors, see light
Moletti, Giuseppe viii
Moon: daily revolution 60, 404;
epicycle 188, 415;
influence on the tides x, 311, 339, 348, 356, 420;
orbit around Earth 302, 305, 346;
not fully understood 349, 422;
possible inhabitants xviii;
markings compared to sunspots 35;
mountains and valleys on xii, 7, 10–19, 210–11, 220–5;
moonlight reflected from Earth 20–3, 187–91;
phases 36;
as a planet 39;
similarities to and differences from Earth 183–95, 210–26
Morandi, Orazio xxiv
Moses 113
motion: acceleration 138–41;
as cause of heat 119;
circular, rectilinear and mixed, 133, 138–9, 151–2;
Aristotle on 137;
Plato on 139–40, 148, 413;
extrusion caused by Earth’s rotation 273–84;
of birds in flight 250–1, 267–71;
of cannon shots fired horizontally 251–4, 262–7;
vertically 258–62;
of freely falling bodies ix, xi, xxviii, 141–8, 235–9, 244–50, 284–93, 382–92;
of pendulums 233, 289–90, 293–5, 322, 343–5, 386–8;
of projectiles 231–5, 239–44;
of water 317–19, 321–3, 420;
on board ship 255–7, 271–3
nature, book of 67, 115, 122
nebulae 26–7, 400
Newton, Isaac xxviii
Niccolini, Francesco xxvi, 423
Nicetas, see Hicetas
Nikolaus von Schönberg (Cardinal of Capua) 64, 101, 405, 409
‘odd number’ rule 389–92, 425
Oreggi, Agostino xxvi
Origanus (David Tost): Ephemerides 98, 409
Orion (constellation) 24–6
Osiander, Andreas 410
Ovid: Metamorphoses 394
parallax 35, 39, 173, 402, 422
Paul III, Pope 64, 100
Paul V, Pope xx
Paul of Burgos 84, 407
Paul van Middelburg (Bishop of Fossombrone) 63, 404
Pereira, Benedetto, 405, 406
Peter Lombard: Sentences 405
Philolaus 71, 97
Piccolomini, Ascanio, Archbishop of Siena xxviii
Pisa, Tower of ix, xxviii
planets (‘wandering stars’) xvii, 4, 48, 104, 167, 349, 393, 396, 411;
orbits 149, 301–5;
see also Mercury, Venus, Mars, Jupiter, Saturn
Plato 71, 97, 129, 148;
on recollection 130, 276, 412; see also motion
Pleiades (constellation) 25–6, 400
Pliny: Natural History xvii
Plutarch: Life of Numa Pompilius 71, 405
Porta, Malatesta 398
Primum Mobile 59, 90, 103, 404, 408
Propertius: Elegies 393–4
Ptolemy, Claudius xviii, 38, 62, 74, 102–4, 115, 122–3, 254, 273, 395, 406;
Almagest 396, 400, 410, 418;
Optics 399
Pythagoras, Pythagoreans 13, 37, 71, 97, 124, 307, 412;
on science of numbers 128–9;
theorem 172
Raphael 230
Red Sea 326–7
Reinhold, Erasmus: Prutenic Tables, 405
Riccardi, Niccolò (Master of the Sacred Palace) xxiv–xxvi, 360–4, 368–9, 373–4, 411
Ricci, Ostilio viii
Rudolph II, Emperor xv, 396, 409
Sagredo, Giovan Francesco xiv, xxii, 125, 397, 412, 424
Salviati, Filippo xxii, 125, 412, 424
Santucci, Antonio 76, 406
Sarpi, Paolo ix, xi
Sarsi (pseudonym of Orazio Grassi) 115, 118, 411
Saturn 50, 305;
rings (held by G to be satellites) xv, 44–5, 52–4, 403
scaling 379–81
Scheiner, Christoph xvi–xvii, 284, 402, 418; see also Apelles
Scripture, see Bible
Scylla and Charybdis, see Messina, strait of
Seleucus 71, 97, 356, 406
Seneca: On Comets (Natural Questions) 71, 97, 406, 409
senses (touch, taste, smell, hearing, sight) 119–21
Simplicio, imaginary character xxii, xxvii, 126, 412, 424
Simplicius, commentator on Aristotle 126, 412
Sinceri, Carlo xxvii, 364, 423
Sirius (Dog Star) 24, 200, 399
Sizzi, Francesco xiv, 406
Socrates 227, 239, 417
Solomon 95, 113
sorites 162, 414
sounds, how produced 116–17
‘squared times’ law, see ‘odd number’ rule
stars, fixed 23–7, 48, 306, 357
stars, wandering, see planets
Stefani, Giacinto 360, 362, 369
Suetonius: Lives of the Caesars 394
Suidas (Suda) 118, 411
Sun: annual and daily motions 59;
centre around which planets revolve 153, 301–5;
motion miraculously halted, see Joshua;
revolves on its axis 38, 45, 60, 91, 404;
at rest 306;
source of light and motion 91
sunspots xvi–xvii, 34–6, 38–50, 173–7, 180, 357;
observations 41–2
supernovae xi, 173, 414
Tarde, Jean 395
Tasso, Torquato: Gerusalemme liberata 331, 417, 421
Taurus (constellation) 25
telescope xii, 7–10, 107, 116, 173, 200, 396, 397, 398, 399, 419, 422
Telesio, Bernardino 420
Tertullian: Against Marcion 67, 405
Themistius 405
tickling 120
tides: as evidence for mobility of the Earth x, xix, xxiii–xxiv, 125, 309–24, 419–21;
various explanations of their cause 311–14; see also Earth, Moon, Venice
Titian 230
Torricelli, Evangelista xxix
Tostado, Alfonso (Bishop of Avila) 84, 90, 407, 408
Tuscany, Grand Dukes of, see Medici family
Urban VIII, Pope (Maffeo Barberini) xvi, xviii, xxi, xxii, xxiv, xxvii, 358, 423
Venice: Arsenal 379, 424;
tides at 310, 311, 313, 316, 327, 355
Venus 8, 20–1, 23, 34, 35, 38–40, 396;
mentioned in Bible as Lucifer 68;
phases prove its orbit around the Sun xv, 36–8, 77, 104, 107, 115, 301–4, 404, 410
Vinta, Belisario xiii, 394
Virgil: Aeneid 408–9, 425
Visconti, Raffaello xxiv, 360, 361, 368
Vitellio 216, 416
Viviani, Vincenzio ix, xxix
Wedderburn, John xiv
Welser, Mark xvii, 33, 176, 402
wind 232, 234, 269, 329–31;
prevailing wind in tropics 332–3, 335–6;
in Mediterranean 334, 421
writing, invention of 230