Galaxy Forum NY 11 - charles liu

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Galaxy Forum NY 11 - charles liu

  1. 1. Galaxies and our Cosmic Future Charles Liu City University of New York, College of Staten Island American Museum of Natural History, NY 23 September 2011
  2. 3. The Milky Way: Inside Our Own Galaxy The Carina Nebula (Hot Massive Star) The Coalsack (Cold Gas Cloud)
  3. 4. What the Milky Way might look like from the outside:
  4. 5. What the Milky Way might look like from the outside:
  5. 6. Other Galaxies
  6. 7. Other Galaxies
  7. 8. Galaxies In Visible and Infrared Light -- pretty cool, eh? :)
  8. 9. Before Galaxies Collide…
  9. 12. What about THIS galaxy? (Name: “G515”)
  10. 13. WHAT ARE THESE THINGS?
  11. 16. Galaxy Luminosity Functions Number of galaxies per unit volume per unit luminosity Number of galaxies per unit volume per unit magnitude
  12. 17. The MMT Observatory - Mt. Hopkins, AZ 6.5 m (257”) primary mirror
  13. 18. What a typical Spiral Galaxy looks like “ flat,” “blue” continuum; Strong emission lines, esp. H-alpha (n=3 to n=2)
  14. 19. What a typical Elliptical Galaxy looks like Weak/no emission lines; G, K stars dominate continuum emission
  15. 23. Kitt Peak National Observatory - Sonoran Desert, Arizona
  16. 31. Galaxies and our Cosmic Future Charles Liu City University of New York, College of Staten Island American Museum of Natural History, NY 23 September 2011

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