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What is it? A Duck, or a Rabbit?!

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Pythagoras: All is Number the Music of the Spheres Intervals between harmonious musical notes always have whole number ratios. Playing half a length of a guitar string gives the same note as the open string, but an octave higher; a third of a length gives a different but harmonious note; etc. Non-whole number ratios, on the other hand, tend to give dissonant sounds. Pythagoras described the primary building blocks of musical harmony: the octave (1:1), the perfect fifth (3:2), the perfect fourth (4:3) and the major third (5:4). Pythagoras at his Monochord:

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The Geocentric Universe of Pythagoras & Aristotle

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So If the Dome of the Stars turns the Universe, then what turns the Dome of the Stars? Obviously, its the Prime Mover!

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The Golden Age of Islamic Astronomy (825 1450 A.D.)

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Nicolaus Copernicus (1473 1543 A.D.)

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Giordano Bruno The monument to Bruno in the place he was executed, Campo de' Fiori in Rome. (1548 1600 A.D.) It may be you fear more to deliver judgment upon me than I fear judgment.

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Galileo Galilei (1564 1642 A.D.)

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Galileo's Sidereus Nuncius (the Starry Messenger), this edition from 1653. Galileo first described craters and mountains on the Moon, as seen with a telescope. Galileo Observed Enormous Craters on the Moon

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Galileo's sketch of a sky filled with stars. (A drawing of the Andromeda Galaxy Like the Milky Way!)

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Galileo Observed Four Large Moons of Jupiter

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Galileo Observed The Phases of Venus

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The first successful measurements of Stellar Parallax (of 61 Cygni) Friedrich Bessels Heliometer in 1838!

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Tycho Brahe (1546 1601 A.D.) (and his Private Observatory, Uraniborg, on Hven Island)

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Johannes Kepler (1571 1630 A.D.)

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Keplers 1 st Law

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Keplers 1 st Law: Planetary Orbits are Ellipses with the Sun at 1 Focus

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Keplers 2 nd Law

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Keplers 2 nd Law: Equal Areas are Swept Out in Equal Times

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Isaac Newton (1642 1727 A.D.)

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waowen.screaming.net/revision/force&motion/ncananim.htm Newtons Cannon Animation:

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Q: How to detect dim Extrasolar Planets (Exoplanets)? A: Use Newtons Third Law! (Action-Reaction i.e., Force-Counterforce)

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Extrasolar Planets (Exoplanets) Web Link: The Extrasolar Planets Encyclopedia (http://exoplanet.eu)

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There is a single general space, a single vast immensity which we may freely call void: in it are innumerable globes like this on which we live and grow, this space we declare to be infinite, since neither reason, convenience, sense-perception nor nature assign to it a limit. Giordano Bruno Quoted in Joseph Silk, The Big Bang (1997) Giordano Bruno Habitable Exoplanets Catalog (http://phl.upr.edu/projects/habitable-exoplanets-catalog)