Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Diffraction of moon

  1. Jan 3, 2010 #1
    At night when you watch moon in cloudy weather you will see the diffraction of moon light around it in circle form and so the colorful circles . Please explaine me the physics of it.
  2. jcsd
  3. Jan 4, 2010 #2


    User Avatar
    Staff Emeritus
    Science Advisor

    It's a matter of being at the correct angle - incidence and reflection -for the moon, ring (ice crystals) and observer.
  4. Jan 5, 2010 #3


    User Avatar
    Homework Helper

  5. Jan 5, 2010 #4
    Thanks for your answet .It was what I want (halo)
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook