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Re: In the news: Southwest Alaskans say bird is the size of a small plane



No, the large moon illusion isn't caused by lensing (or by diffeential
refraction).
Jim

Dann Pigdon wrote:
> 
> > For example, consider the 'large moon' illusion seen when
> > the moon is near the horizon.
>
> Isn't this caused by lensing of the atmosphere? Seeing the moon at the
> horizon means you are looking through a thicker amount of atmosphere
> than if it were over head (which is also why you can see colours at
> sunrise or sunset that you generally won't see during the day).