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Astronomy 6

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  • 1. Open Ended
    30 seconds
    1 pt
    Suppose the angular separation of two stars is smaller than the angular resolution of your eyes. How will the stars appear to your eyes?
  • 2. Open Ended
    30 seconds
    1 pt
    What is a principal advantage of CCDs over photographic film?
  • 3. Open Ended
    30 seconds
    1 pt
    Order the following in order of increasing efficiency of detecting photons of visible light
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