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A short history of Astronomy

A short history of Astronomy. Bernie Brenner PostGrad Cert Astronomy (Swinburne) Pelvic Floor Clinic North Shore. Stonehenge. Chinese. Guest star Comet Halley ?1059 BC Guest star – supernova Crab Nebula July 1054. Greeks. Pythagoras of Samos 580 BC Aristotle 384 BC Aristarchus 310 BC

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A short history of Astronomy

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  1. A short history of Astronomy Bernie Brenner PostGrad Cert Astronomy (Swinburne) Pelvic Floor Clinic North Shore

  2. Stonehenge

  3. Chinese • Guest star Comet Halley ?1059 BC • Guest star – supernova Crab Nebula July 1054

  4. Greeks • Pythagoras of Samos 580 BC • Aristotle 384 BC • Aristarchus 310 BC • Eratosthenes 276 BC • Ptolemy 85 AD

  5. Islamic Astronomy • 8th to 14th century • Contributions • Equatorium (analog computer) • Planisphere • Mechanical lunisolar calendar computer • Spherical astrolabe • Many stars have Arabic names

  6. Nicolas Copernicus 1473 • Mathematician, physician, canon • De Revolutionibus – published on his death bed

  7. Age of Empirism • Tycho Brahe 1546 -1601 • Johannes Kepler 1571 – 1630 • Galileo Galilei 1564 - 1642

  8. Isaac Newton 1643 - 1727 • “Principia” • Universal gravitation • 3 laws of motion • Every body remains at rest unless acted on by an external force • F = ma • Action – reaction law

  9. Albert Einstein 1879 - 1955 • E = mc^2 • Laws of general and special relativity

  10. Spectroscopy • Newton 1666 – prism • Wollaston 1801 – dark lines • Fraunhofer lines 1821 • Doppler 1840 • Draper Catalog 1918 • Hertzsprung-Russell diagram 1922

  11. Astronomer Doctors • Ibn al-Haytham 965 AD • Abu ibn Sina 980 AD • Jacob ben Machir 1236 AD • Nicholas Copernicus 1473 • Galileo Galilei 1564 • Heinrich Olbers 1758 • William Wollaston 1766 • Henry Draper 1837

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