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Galaxies

Galaxies. Harlow Shapley. Heber Curtis. The Great Debate. April 26, 1920. Edwin Hubble. Hubble Tuning Fork Diagram. The Local Group. M32 - E2. NGC 4125. M87 - E1. Ellipticals. M96. M104. Sa Galaxies. M81. Sb Galaxy. M51. Sc Galaxies. NGC 1097. NGC 4477. Sba Galaxies.

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Galaxies

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  1. Galaxies

  2. Harlow Shapley Heber Curtis The Great Debate April 26, 1920

  3. Edwin Hubble

  4. Hubble Tuning Fork Diagram

  5. The Local Group

  6. M32 - E2 NGC 4125 M87 - E1 Ellipticals

  7. M96 M104 Sa Galaxies

  8. M81 Sb Galaxy

  9. M51 Sc Galaxies

  10. NGC 1097 NGC 4477 Sba Galaxies

  11. NGC 4579 M91 SBb Galaxies

  12. M109 NGC 4123 SBc Galaxies

  13. Large Magellenic Cloud Irregular Galaxy

  14. Centaurus A M87 Peculiar Galaxies

  15. Seyfert Galaxies • Often normal looking galaxies • Very bright nuclei (AGN's) • Typically 10,000X brighter than core of Milky Way • Radio observations suggest that the nucleus is typically less than a light year across. • All indicators point to violent explosive activity in the galactic nucleus. • Total luminosity 10X Milky Way

  16. Double LobedRadio Galaxies • Similar to Seyferts • Most energy emitted in radio • Distinct lobes extending many kpc from the galactic core. • Energetic, small nucleus.

  17. Clusters of Galaxies NGC 3628 - Sc M65 - Sa M66 - Sb

  18. Galactic Collisions

  19. Large Scale Structure

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