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Thread: Harvest Moon

  1. #1 Harvest Moon 
    Forum Bachelors Degree The P-manator's Avatar
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    Nov 2005
    What makes the moon look so big and orange when it is low to the horizon in the late summer and fall?


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  3. #2  
    Forum Freshman Kosta's Avatar
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    Oct 2006
    It is claimed by some that the Harvest Moon seems to be somehow bigger or brighter or yellower in color than other full moons. This is a myth. The yellow or golden or orangish or reddish color of the moon shortly after it rises is a physical effect, which stems from the fact that, when you see the moon low in the sky, you are looking at it through a greater amount of atmosphere than when the moon is overhead. The atmosphere scatters the bluish component of white moonlight (which is really reflected sunlight) but allows the reddish component of the light to travel a straighter path to your eyes. Hence all moons (and stars and planets) looks reddish when they are low in the sky.

    As for the large size of a full moon when seen low in the sky, it is true that the human eye sees a low hanging moon as being larger than one that rides high in the sky. This is known as a Moon Illusion and can be seen with any full moon. It can also be seen with constellations; in other words, a constellation viewed low in the sky will appear bigger than when it is high in the sky.
    This is a quote from Wikipedia
    Its all explained there

    Harvest Moon

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