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Thread: Physics optics

  1. #1 Physics optics 
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    Why sun looks little oval when it is at horizon?


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  3. #2  
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    I've never noticed that it did. Can you post a picture where the sun looks like an oval?


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    Looks pretty spherical to me.
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  6. #5  
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    Quote Originally Posted by Harold14370 View Post
    I've never noticed that it did. Can you post a picture where the sun looks like an oval?
    It does and the explanation has to do with internal reflection at angles greater than the critical angle of incidence.
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