Homework Solutions:
          HW4
          HW5  (CORRECTIONS MADE TO Prob. 5.16, Wednesday 10/5/11)

          Midterm 1 Distribution of Scores

          HW7 Solutions

          HW8 Solutions

          HW9 Solutions     HW9 Point Sheet

          HW10 Solutions

          HW11 Solutions

     HW12 Solutions

Table 2.1 (numbers needed for Problem 2.01)

"Cool Stuff" (a.k.a. optional reading pertinent to our class)

Glass:
"Prisms for a brilliant 3D cinema experience" (a new type of BK-7 glass for digital projectors)

Adaptive Optics:
"Taking the Twinkle Out of the Night Sky"
     (adaptive optics at the MMT)
"The Universe, Crisp and Clear"
     (adaptive optics at the LBT)
"LBT Achieves Breakthrough with Adaptive Optics"
     (...Space Telescope Image Quality Down to Earth...")
"Man-made Star Shines in the Southern Sky"
     (shows schematically how an AO system turns distorted wavefronts into plane waves; 1:05-1:35 especially)
"How an Adaptive Optical System Works"
     (animated CAD drawing showing how an AO system turns distorted wavefronts into plane waves)
"Multiple Mirror Telescope Adaptive Optics System"
     (shows the MMT's adaptive secondary mirror correcting an image, resolving a 0.24" binary star; from Steward
      Observatory)
"Triple Star Resolved Using AO"
     (done at the VLT 8m telescope)