1. Define each of the following terms:
a. diffractonb. the diffraction limit
2. How does your computer screen (or TV) use diffraction limited seeing to produce a variety of colors from just three different color phosphors? (Hint: It's the same technique used in Seurat's Grande Jatte, which you can see at http://www.artchive.com/artchive/S/seurat/jatte.jpg.html)
3. How does the diffraction limit affect viewing of closely spaced stars?