Astr 501 | Lecture 38 | Spring 2013
Edward Emerson Barnard
Astronomy 501
Lecture 38, April 29 Spring 2013 Bruce Draine
Lecture Notes: pdf file

Electron-Atom Collisions

Nebular Diagnostics


Interstellar Dust

Evidence for Dust

  • dark clouds: in Aquila, Carina; Barnard 68, 163; infrared views of HH 46/47, B68
  • Milky Way lanes
  • the Zone of Avoidance
  • reflection nebulae

    • Quantifying Effects of Dust

    • extinction: curve
    • reddening and selective extinction
    		 Dark Clouds in Aquila

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