Lh 95

History of Astronomy - Edwin Hubble

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  • Aristarchus of Samos
    100

    Aristarchus of Samos

    310 - 230BCE (Greek)
  • Aristotle
    100

    Aristotle

    384 - 322BCE (Greek)
  • Eratoshenes
    100

    Eratoshenes

    276- 194BCE (Libyan)
  • Hipparchus
    100

    Hipparchus

    190 - 120BCE (Greek)
  • Ptolemy
    101

    Ptolemy

    90 - 168CE (Greco-Roman)
  • Nicolaus Copernicus
    Feb 19, 1473

    Nicolaus Copernicus

    1473 - 1543 (Polish)
  • Tycho Brahe
    Dec 14, 1546

    Tycho Brahe

    1546 - 1601 (Swedish)
  • Galileo Galilei
    Feb 15, 1564

    Galileo Galilei

    1564 - 1642 (Italian)
  • Johannes Kepler
    Dec 27, 1571

    Johannes Kepler

    1571 - 1630 (German)
  • Isaac Newton

    Isaac Newton

    1642 - 1727 (UK)
  • Henrietta Leavitt

    Henrietta Leavitt

    1868 - 1921 (American)
  • Albert Einstein

    Albert Einstein

    1879 - 1955 (German)
  • Alexander Friedmann

    Alexander Friedmann

    1888 - 1925 (Russian)
  • Edwin Hubble

    Edwin Hubble

    Edwin Hubble @ WikipediaNovember 20, 1889, Missouri, USA - September 28, 1953, California, USA.
    Hubble extended the work of Vesto Slipher by using the larger Hooker telescope.
    He determined that the further a galaxy is from Earth, the faster it moves away.
    Identified that there were external galaxies which were not part of the Milky Way.
    He was able to do this with the research of Henrietta Leavitt's period-luminousity relationship and Einsteins equations of general relativity for an expanding space.