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Timeline

Timeline. Copernicus. Copernicus ’ Study. Copernican Heliocentric Model from “ De Revolutionibus ”. Thomas Digges ’ Universe (ca. 1576).

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Timeline

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  1. Timeline

  2. Copernicus

  3. Copernicus’ Study

  4. Copernican Heliocentric Model from“De Revolutionibus”

  5. Thomas Digges’ Universe (ca. 1576)

  6. "This orb of stars fixed infinitely up extendeth itself in altitude spherically, and therefore immovable the palace of felicity garnished with perpetual shining glorious lights innumerable, far excelling over [the] sun both in quantity and quality the very court of celestial angels, devoid of grief and replenished with perfect endless joy, thehabitacle for the elect." --- Thomas Digges

  7. Triangulation to Determine Distances

  8. Stellar Triangulation: “Parallax” Use radius of Earth’s orbit as a baseline to determine stellar distances by triangulation. Measure shift in position of nearby star against positions of distant stars over several months.

  9. Tycho Brahe

  10. Tycho’s Nose

  11. Tycho’s Supernova, 1572

  12. Comet of 1577

  13. Tycho’s Parallax Estimate of Distance forComet of 1577

  14. Tycho’s Uraniborg Observatory

  15. Tycho Observing

  16. A source for Shakespeare?

  17. Galileo

  18. Galileo Telescope (~ 1 inch aperture)

  19. Galileo Telescopes on Stand

  20. Galileo: Sunspots

  21. Galileo: Thousands of “New” Stars

  22. Modern Image of Milky Way Starfield

  23. Galileo: Surface Features on Moon

  24. Lunar Mountains

  25. Galileo: Phases of Venus

  26. Phases of Venus: Ptolemy vs. Copernicus

  27. Galileo’s Notes on the Moons of Jupiter

  28. Jupiter and the 4 “Galilean” Moons

  29. Kepler

  30. The 5 Perfect Polyhedra (“Platonic Solids”)

  31. Kepler: Is Spacing of Planetary Orbits Determined By Inscribed Platonic Solids?

  32. Page of calculations from Kepler’s notebooks

  33. Geometry of an Ellipse

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